Find the area of the specified region.Inside the circle r = -4 cos ? and outside the circle r = 2
A. 
(4? - 3
)
B. 
?
C. 
(2? + 3
)
D. 2?
Answer: C
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Express the relationship between a small change in x and the corresponding change in y in the form 
.y = csc(2x2 - 1)
A. dy = -2x2 csc(2x2 - 1) cot(2x2 - 1) dx B. dy = 4x csc(2x2 - 1) cot(2x2 - 1)dx C. dy = -4x csc(4x) cot(4x) dx D. dy = -4x csc(2x2 - 1) cot(2x2 - 1) dx
Solve the problem.Sally Winston is contributing $3200 each year to a Roth IRA. The IRA earns 3.8% per year. How much will she have at the end of 25 years?
A. $134,599.40 B. $134,663.40 C. $134,343.40 D. $134,759.40
Find the center and radius of the circle with the given equation. (x + 8)2 + y2 = 4
A. Center (0, -8), r = 4 B. Center (-8, 0), r = 2 C. Center (-8, 0), r = 4 D. Center (0, -8), r = 2
Provide an appropriate response.If y = 
, use logarithmic differentiation to find y'.
What will be an ideal response?