Questions

02 06 MC Show all work to solve 3x2 5x 2 0

Show all work to solve 3x 5x 2 0

Randall took out a single payment loan for 740 that charged an 80 fee How much does he have to pay by the time the loan reaches maturity O A 820 OB 740 C 80 OD 660

A Include one expression that contains rational exponents that can be simplified further Provide the simplified form to your instru B Include one expression that contains radicals that can be simplified further Provide the simplified form to your instructor Question 2 Rewrite in simplest radical form 5 Question 3 Which of the following expressions are equivalent Justify your reasoning A B C X 10 XX 1 3 3 D XXX 1 1 3 2 Show each step of your process

AOTD What type of stimuli are detected by the ampullae of Lorenzini in hammerhead sharks Photons Tastes Electricity Smells

Which of the following is depicted in this figure of nutrient cycles and energy flow in a terrestrial ecosystem below Sun Respiratory loss work and heat Organic storage Gaseous exchange Net primary production Nutrient pool Gaseous exchange Herbivores Community respiratory loss Decomposers C Carnivores Nutrients are recycled while energy flow is one way Energy flow begins with organic storage and then cycles its way to the nutrient pool Carnivores give both nutrients and energy to herbivores

Using the technology of your choice exchange the expressions you created for Question 1 do not provide the simplified form and your work for Questions 2 and 3 with a partner Discuss your findings A Simplify your partner s expressions for Question 1 B Review and critique your partner s work on Question 2 C Review and critique your partner s work on Question 3

ation Spicules Choanocyte Archaeocyte create water currents and engulf food particles Based on your reading match the sponge cells to their individual functions protective and contractile variety of functions such as digestion secrete collagen Pinacocyte Collencyte Mesohyl 1 Pinacocytes 2 Choanocytes 3 Archaeocytes 4 Collencytes

2x 4x t In the equation above t is a constant If the equation has no real solutions which of the following could be the value of t A 3 B 1 C 1 D 3

Which of the following numbers is NOT a solution of the inequality 3x 5 4x 3 A 1 B 2 C 3 D 5

List the geologic layers from oldest to youngest B 1 F H C E GI BI 3 J A I D

44 11 Happ New Yea Juan Val

List the geologic layers in order from oldest to youngest R B H BIU E M I H R M FS

4 Bolum Chapter n Ae N 151 251A 10 max n 1 3 2 A 3 B N 35 361 A 10 n A 34 B 5 A 8 n Ae N 381 391 A 10 max n A 8 C 6 B 9 B 35 C 36 E 38 35 36 35 Con 35 1 36 1 404 35 37 1 10 1 37 1 A ne N 481 49 A 10 max n B 12 C 10 D 9 C 14 D 37 D 11 E 10 D 16 E 12 E 20 1 METROPOL YAYINLARI METROPOL PUBLICATIO 5 401 1 6 7 8 A 10 A 10 999 9 n n tane fn times B 9 511 3999 97 n n tane n times A 0 B 11 C 8 A 501 A 2357 abcd a b c d A 14 B 16 C 18 B 1 D 7 C 12 D 13 11 2 3 28 XX C 2 D 20 D 3 E 6 E 14 E 22 E 7

Data Tables for Frog Clade Note Columns A D should be filled in with either a 0 same trait condition as outgroup or a 1 different trait condition than outgroup Trait Claws Chin hair Horn Tail Outgroup trait no claws no chin hair no horn no tail A B 1 1 1 0 1 no tail no spikes 0 4 digits Spikes Digits Spots no spots Lateral fold no fold Tympanum has a tympanum 0 0 0 1 1 1 10 1 1 1 1 1 CD 1 1 1 0 0 0 1 Ingroup species B O 1 1 1 1 0 1 0 0 0 1 0 1 0 1 0 1 1 0 1 1 1 1 F 1 0 0 1 6 1 1 1 0 2 5 S Number of species with derived trait 3 2 2 5 4 S

4 Bolum Chapter n A EN 151 251A 10 1 3 2 A 3 B 5 n A N 351 361 A 10 En A 8 A 8 max n A 34 B 35 C 36 D 37 E 38 d 351 36 35 1 7 351 1 36 d 10 n Ae N 381391 A 10 max n B 9 C 6 A ne N 481 49 A 10 B 12 35 37 1 10 1 37 1 C 10 D 9 max n C 14 E 10 D 11 ENA D 16 E 12 E 20 0 METROPOL YAYINLARI METROPOL PUBLICATIO 5 401 1 6 A 10 8 A 10 7 A 501 999 9 n n tane fn times 511 3 999 97 n n tane n times A 14 B 9 A 2357 abcd A 0 B 11 a b c d C 8 B 16 C 18 B 1 D 7 C 12 D 13 11 2 3 28 x x C 2 D 20 D 3 E 6 E 14 E 2 E 7

5 Now please look at the two articles that you have downloaded Note that they are formatted very differently Every journal has their own requirements for how journal articles and the citations within them should be formatted As an author it is your responsibility to follow their formatting instructions Often if you do not they will not review your article for publication Likewise the biology department has its own standards for how papers and the citations within them should be formatted a Please go to https www csub edu biology files How 20to 20Write 14 pdf i DOWNLOAD THIS FILE AND KEEP IT IN A SAFE PLACE YOU WILL NEED IT FOR NEARLY ALL OF YOUR BIOLOGY COURSES 1st author ii Use this document to properly format a citation pg 8 for the article by Axelrod and Hamilton 1981 Hint we do not use APA or MLA so you must use the document that you just downloaded and follow it exactly See below for an example 2nd author 3rd author Last author Year Article title continued McBride T A B W Stockert F A Gorin and R C Carlsen 2000 Stretch activated ion channels contribute to membrane depolarization after eccentric exercise Journal of Applied Physiology 88 91 101 Article title Journal Volume Pages iii Look at the References and Notes section for the evolution paper What are two differences between their citation format and that of the CSUB Biology Department the citation format you just followed with the previous question Be clear about what they do and how we do it differently

y sin In 5x 2x Different

10 Find all solutions of the equation z 8v2 1 i z2 z 1 0 Write the roots in exponential form and use principal values of their arguments

Solve 7sin Pi 6x 3 for the four smallest positive solutions

Method X 21 12 32 D 5 X 2 Method 10 X

CHALLEN One day during the early evening you hear two cats fighting outside your bedroom window Startled you shine a flashlight from the window to see what s going on Upon doing so you notice that a shadow is created on the other side of your backyard fence a Label the diagram if the height of the flashlight is L horizontal distance from the wall to flashlight is H height of wall is W and the shadow length is S Write an equation that relates variables S H W and L c Determine the length of the shadow if L 9 H 3 and W 8 d What would happen to the value of S if the value of L decreased but the value of H and W stayed the same Draw a picture and use distances to support your answer Picture Explanation

U 1 2 Statement Criterion

What is the probability that either event A or event B will occur Start by finding the probability of event A 4 19 3 19 A 10 19 P A B 2 19 19

For each pair of triangles If they are NOT SIMILAR a State they are not similar b Verify that either Corresponding angles are not congruent Corresponding sides are not proportional If there is not enough information state so A 1 D 24 2 Statement 20 S 30 36 9 Criterion If they ARE similar a Write the similarity statement A b State the similarity criterion that proves they are similar SSS SAS AA c Verify the requirements of the criterion B S 48 20 M T 15 60 36 N 35 S

or each Figure 1 State which you would use to set up your proportions a Triangle Proportionality Theorem OR b Corresponding Sides of Similar Triangles 2 Set up your proportion and solve for the missing length A 72 X 60 H Method A C G 65 X 66 waite xhisumisen whW D 78 F B R U Method X 21 X S Q 24 V 12 noltaminle

The impulse response of the discrete causal system is y n 2y n 1 3x n 1 is 01 h n 3 2n 2u n 2 O 2 h n 32 22n 1u n 1 O 3 None of the answers 4 h n 3 2 1u n 1 h n Ek 2 1u n 1 O 5

E Method 20 4 F Method X A 77 11 S 00 8 B T

More Practice 3 2x 6 6 x 5 2 5 X 2x 1 15 6 4

There once was a 5 5 ft tall wizard named Proportimus who was standing between an 8 ft giant named Gec and a magical crystal on the ground of a dungeon The crystal and the tops of both of their heads were collinear Geo and Proportimus were standing 10 ft apart Geo can leap a distance of up to 40 ft in a single bound Proportimus can magically summon the crystal from a maximum distance of 20 ft If one giant leap takes the same amount of time as one wizard summon then who can get the crystal first Draw a diagram to model the situation Hint your diagram will look something like part D on the first page

uestion z 6 5 4 3 2 1 3 y 4 5 46 3 6 Write an equation for the function graphed above

The impulse response of the discrete causal system is y n 2y n 1 3x n 1 is 01 h n 3 2 2u n 2 O 2 h n 32 22n 1u n 1 O 3 None of the answers 4 h n 3 2 lu n 1 h n 2 u n 1 05

The total average power of the sum of two orthogonal signals can be always computed as the sum of these signals average powers O True O False

The minimum sampling rate necessary to reconstruct the sampled version of the signal 10 cos 60nt 5 sin 120nt 7 is x t O 1 60 samples sec O 2 None of the answers O 3 180 samples sec O 4 240 samples sec O 5 120 samples sec

5 The integration 10 cos 4nt t 1 dt 5 8 O 1 10 O 2 40 O 3 None of the answers O 4 40pi O 5 20pi

The discrete system with transfer function H z O 1 BIBO stable if the system zero at 2 is canceled O 2 Unstable O 3 Asymptotically stable O 4 None of the answers O 5 BIBO stable Z 2 Z 0 8 2 z 0 8 is

dy The response of the system 5y t 4x t with x t 8 t is dt O 1 None of the answers O2 03 O 4 05 y t 5e 5tu t 48 t y t 5e 5tu t y t 4e 5tu t y t 20e 5tu t 48 t 4

t 2 8n t 6 8n The signal x t 4 A 6 has 811 O 1 Has real Fourier series coefficients with the even indexed terms equal zero O 2 Has complex Fourier series coefficients with the odd indexed terms equal zero O 3 None of the answers O 4 Has complex Fourier series coefficients with no symmetry O 5 Has imaginary Fourier series coefficients with the even indexed terms equal zero

The sinusoidal steady state response of a discrete linear shift invariant system is also sinusoidal and have the same frequency of the discrete input sinusoid O True O False

8 The Fourier series coefficients X of the signal x t E co 106 2t 0 5n is 01 10 8f 0 5n 02 20 008 f 4n O 3 10 8f 0 25n O 4 None of the answers O 5 2 5 8f 4n

A linear time invariant system with the four imaginary poles j2 j2 j4 and 14 is BIBO stable O True O False

The Fourier Transform of the signal in the figure is A x t 4 2 O1 Xn 4sinc 2f cos 6nt O 2 None of the answers 03 Xn 2sinc f cos 6nt O4 Xn 4sinc 2f sin 6nt O 5 Xn 2sinc f cos 4nt 1 2 4

The discrete time system y n ex n 2 is O 1 None of the answers O 2 None linear and causal O 3 None linear and none causal O 4 Linear and none causal O 5 Linear and time invariant

An FIR system direct Form l realization has direct input sequence and feedback output sequence branches O True O False

Problem 3 Find the arc length of the graph of x e e from y 1 to y 1

The convolution sum of two time limited discrete signals is time limited O True O False

1 You are given a mixture containing two compounds A and B Both compounds have a solubility of 1 00 g 100 mL of solvent at 20 C and 12 0 g 100 mL of solvent at 100 C The sample is composed of 1 60 g of A and 9 90 g of B At 100 C all of the sample just dissolves in a minimum amount of solvent The solution is then cooled to 20 C and the crystals are collected a What is the composition of the crystals B b What is the percent yield of the process Yield c What is the composition of the mother liquor A B 2 If the mixture described in question 1 are recrystallized from 100 mL of solvent instead of the minimum amount a What is the composition of the crystals

The energy signals 10x t and 10 x 1 5 have the same energy O True O False

The mapping between the z transform and Laplace transform maps circles from s domain to circles in z domain O True O False

The sampler is a linear device used to transform a continuous signal to a discrete one O True O False