Find the slope of the line tangent to the curve at the given point.y = 9 sin x; x = 
A. 
B. 0
C. 9
D. -9
Answer: B
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You are given the population and the growth rate as of 2000 for a hypothetical country. Assume that the growth rate remains the same from year to year. Using an exponential function to model population growth, determine the size of the population in the specified year.Population = 1257 million, growth rate = 1.4 percent, year: 2019
A. 1614.4 million B. 1659.9 million C. 1257.0 million D. 1637.0 million
Write the sum without sigma notation and evaluate it.
A. 2 cos ? + 2 cos 
+ 2 cos 
+ 2 cos 
= 3 + 
B. 2 cos ? + 2 cos 
+ 2 cos 
+ 2 cos 
= -2 + 
+ 
C. 2 cos ? + 2 cos 
+ 2 cos 
+ 2 cos 
= -1 + 
D. 2 cos ? + 2 cos 
= -2 + 
Plot the point whose polar coordinates are given.(2, -3?/4)
A. 
B. 
C. 
D. 
Find the first and second derivatives of the function.
?
?
A. 
B. ?
C. ?
D. ?
E. ?