The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
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What will be an ideal response?
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Provide an appropriate response.For which of the following functions do both fx and fy exist?
A. II. and IV. B. II., III., and IV. C. I. and II. D. IV. only
The life expectancy of a star is a power function of its mass. The value of the power in this function is 
. If the mass is decreased by 14%, how is the life expectancy affected? Round your answer to two decimal places if necessary.
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A. Life expectancy is increased by 72.07% B. Life expectancy is decreased by 72.07% C. Life expectancy is decreased by 45.8%. D. Life expectancy is increased by 45.8%.
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. ln 
+ C
B. ln 
+ C
C. ln 
+ C
D. ln 
+ C
Use properties of real numbers to calculate the expression mentally.4 ? 22
A. 26 B. 880 C. 440 D. 88