The voltage V. in an electric circuit is measured in millivolts (mV) and is given by the formula V=0.2sin0.1m(t-0.5) +0.3, where

Question

The voltage V. in an electric circuit is measured in millivolts (mV) and is given by the formula
V=0.2sin0.1m(t-0.5) +0.3, where t is the time in seconds from the start of an experiment. Use the graph of the function to estimate how many seconds in the 40 second interval starting at t= 0 during which the voltage is below 0.21mV.
Select one:
a. 14.06
b. 7.03
C 12.97
d. 27.16

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