Find the indicated composition of functions.Let f = 
and g = 
. Find g ? f.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the derivative of y with respect to x.y = -cot-1 
A. 
B. 
C. 
D. 
Mathematics
Simplify using the product-to-power rule.(-4a)2
A. 16a B. 16a2 C. -8a2 D. -8a
Mathematics
Find the amount of each payment needed to accumulate the indicated amount in a sinking fund. Round to the nearest cent.
$6,400, money earns 8% compounded annually, 10 years
A. $384.51 B. $485.57 C. $512.51 D. $441.79
Mathematics
Solve for x and graph the solution.0.8x + 0.6 > 1.2x + 0.2
A. x > 1
B. x < 1
C. x > -1
D. x < -1
Mathematics