Find the value of (f ? g)' at the given value of x.f(u) = sin2 ?u + u, u = g(x) = -x, x = 3
A. -1
B. -3
C. 0
D. 1
Answer: A
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Find the volume by using polar coordinates.The region under the surface 
, and bounded by the planes 
and 
and the cylinder 
A. 
B. 
C. 
D. 
Suppose 
. Let 
be the piecewise-defined function 
align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_70d1f851215d4c3196bc6f9d5" /> if 
, and 
if 
. What is the value of 
)?
?
A. 682
B. 83
C. 310
D. 41
Find the product.(y + 0.4)2
A. y2 + 0.16y + 0.16 B. y2 + 0.8y + 0.16 C. 2y + 0.8 D. y2 + 0.16
Solve the problem.In her will the late Mrs Barbaroni said that each child in her family could have an annuity of $2500 at the end of each year for 9 years, or the equivalent present value. If money can be deposited at 7% compounded annually, what is the present value?
A. $16,288.08 B. $19,019.22 C. $25,147.72 D. $12,582.38