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Biology
Animal KingdomMadagascar Hissing Cockroaches outside 3 Identify two characteristics that make these arthropods
Biology
Animal KingdomFish mid level 3 Examine the smaller non tetrapod marine vertebrates i e fish swimming in any of the tanks at this level Take a close look at the structure of the fins and carefully describe it Are the fins fleshy lobed comprised of a muscular limb with some minor fin material around the perimeter or are the fins mostly bony material
Biology
The Living World2 Whales the Cetaceans represent a second group of mammals that returned to the oceans Describe the body shape of a whale by looking at the skeleton overhead over by the puffins and the shape and number of the limbs
Biology
Animal KingdomEither pick up an urchin or have a staff person do it and observe the tube feet What does the urchin use the tube feet for and how do they work
Biology
The Living World1 The walrus the sea lion and the seal all belong to a group called the Pinnipeds meaning fin foots on the Carnivore branch Their modification of the basic tetrapod foot is extreme but it is still recognizable as a foot For example examine the sea lion skeleton and look at the forelimbs How many digits does it have on each forelimb
Biology
The Living World6 Along with Placoderms Sharks and rays constitute one of the vertebrates The gill slits are very visible on sharks What function is the shark performing look closely with respect to the gill slits How do sharks and rays differ from other vertebrates with respect to their skeleton
Biology
Animal KingdomPart II Discovery Hut Rhinoceras Iguana 1 Watch the iguana for a little while Describe the posture of this creature i e how the limbs are attached to the trunk of the body Is it a sprawling gait a semi erect gait or a fully erect gait
College Calculus
DifferentiationThe value of a computer t years after purchase is v t 2000e 0 15t At what rate is the computer s value falling after 4 years In 4 years the computer s value will be depreciating at the rate of approximately Round to the nearest dollar as needed per year
College Calculus
Limits & ContinuityThe velocity of a parachutist during free fall is f t 70 1 e 0 14t meters per second Answer the following questions using the graph Recall that acceleration is the derivative of velocity 70 60 ft a What is the approximate velocity when t 4 seconds m sec 50 40 30 20 10 0 O 10 20 20 30
College Calculus
DifferentiationLet a and b be positive numbers A curve whose equation is y e a bx ae is called a Gompertz growth curve These curves are used in biology to describe certain types of population growth Compute the derivative of y e 3e 0 03x y
College Calculus
Application of derivativesA painting purchased in 1998 for 50 000 is estimated to be worth v t 50 000et 10 dollars after t years At what rate will the painting be appreciating in 2005 In 2005 the painting will be apprieciating at Round to the nearest dollar as needed per year
College Calculus
Application of derivativesFind the value of x at which the function has a possible relative maximum or minimum point Recall that ex is positive for all x Use the second derivative to determine the nature of the function at these points 9 3x f x e3x What are the first and second derivatives of f x f x f x
College Calculus
Indefinite IntegrationEvaluate 8x2 dx x3 6 2 C Note that the constant of integration is already include
College Calculus
DifferentiationFind the value of x at which the function has a possible relative maximum or minimum point Recall that ex is positive for all x Use the second derivative to determine the nature of the function at these points f x 4 x e 4x What are the first and second derivatives of f x f x f x
College Calculus
Indefinite IntegrationEvaluate e10x e10x 15 dx C Note that the constant of integration is already include
College Calculus
Application of derivativesDifferentiate the following function f t 4e0 06t 23e0 03t PR d dt 4e0 06 23e0 03t
College Statistics
StatisticsSuccess Yes p Proportion of successes Ho p 0 134 HA P 0 134 Hypothesis test results Variable Sample Race Count Total Sample Prop 0 800 Std Err Z Stat P value 0 0 012043878 11 125984 0 0001 The variable for this question is Race Question to be investigated According to the United States Census Bureau in 2019 approximately 13 4 of the U S population identified themselves as black Is the proportion of black participants lower for your chosen IAT Respond to each of the following 1 State your hypothesis in symbolic form and in words The population of interest and the meaning of the proportion in terms of the variable Race should be clear in your answer 2 StatCrunch uses a normal model to estimate the value probability Are the normality conditions met Show your work 3 Use StatCrunch to conduct the hypothesis test directions Copy and paste the results the StatCrunch output window into the textbox 4 Give your value and interpret its meaning as a conditional probability 5 State a conclusion that answers the research question Use a significance level of 5 Your answer should include the value and reference the population and the appropriate variable We cannot know whether a Type 1 or Type 2 error actually occurs in a hypothesis test But based on the results of our hypothesis test we should be aware of which type of error is possible and what that error means in the context of our test 1 For the hypothesis test you conducted in Question 2 which type of error is possible Type 1 or Type 27 Briefly explain why
College Calculus
DifferentiationSimplify the function before differentiating ex 4e5x f x et f x Simplify your answer
College Algebra
Quadratic equationsA student works at a local grocery store and makes 8 00 per hour At the end of the week she is able to determine the amount of her weekly paycheck based on the hours she worked Which type of model would be the best model to describe her paycheck as a function of the hour she worked Linear Function Quadratic Function
College Algebra
Quadratic equationsOne of the more common isotopes leaking from the disabled Fukushima power plant is lodine 131 which has a half life of 8 days A researcher was examining 48 grams of isotope and is measuring the amount that is still radioactive each day Time days 0 8 16 24 32 40 lodine 131 grams 48 24 12 6 3 1 5 Which type of model would be the best model to describe the relationship of the number of days and the amount of radioactive material Linear Model O Quadratic Model
College Algebra
Quadratic equationsA sales person at a jewelry store is paid a base amount each week plus a commission of sales She can determine her weekly paycheck by knowing her total sales amount and using the function below p x 200 0 03x Which correctly describes one of the parameters of this function The base amount of pay of the salesperson is 260 per week The base amount of pay of the salesperson is 60 per week The salesperson earns a 2 commission The salesperson earns a 3 commission
College Algebra
Quadratic equationsWrite a 5th degree polynomial with a lead coefficient that is negative with only 4 zeros Draw the polynomial based on your equation Show all important values
College Calculus
Vector CalculusAt the start of a race Esteban is 136 meters north of a goal while Shannon is located at the goal Esteban begins running towards the goal at 3 m s while Shannon begins running east at 5 m s Suppoest seconds have elapsed How far is Esteban from the goal How far is Shannon from the goal
College Math - Others
Linear Algebra0 9968 0 9970 gravity of H 0 Tabulation of density specific gravity of water at various Temp 0 9973 0 9975 0 9978 0 9980 0 9982 0 9984 0 9986 0 9987 0 9989 0 4991 19 20 21 22 23 24 Temp C 125 26
College Statistics
StatisticsDesign a true experiment involving two groups i e the experimenter decides at random in which group each participant will be placed How did you come up with this experiment Brief explanation of the experiment State the IV Name the two conditions of the experiment Fill out the experiment model State the DV
College Calculus
Indefinite IntegrationEvaluate 322 dz antidifferentiation C You do not need to enter a constar
High School Calculus
Application of derivativesgraph of the derivative of in the figure below Which of the to the graph or f 0 y y f X is Shown following could B E
College Calculus
Indefinite IntegrationFor each of the indefinite integrals below choose which of the following substitutions would be most helpful in evaluating the integral Enter the appropriate letter A B or C in each blank DO NOT EVALUATE THE INTEGRALS A x 8 tan B x 8 sin 0 C 8 sec C 1 1 2 B 3 A S 14 15 z dz 64 22 64 da 64 2 3 x da 2 64 da da 64 22 3 2
High School Calculus
DifferentiationAnswer the following questions Be sure to show all work and justify when necessary 1 Given the function f x 4x3 3x2 17 over what intervals is f x decreasing