Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = 
A. f(x) = x, g(x) = 8x + 3
B. f(x) = -
, g(x) = 8x + 3
C. f(x) = 
, g(x) = 8x + 3
D. f(x) = 
, g(x) = 8x - 3
Answer: C
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Find the limit, if it exists.
A. 1
B. 
C. - 
D. Does not exist
Solve.Sand is poured carefully into a pile that forms a right circular cone as shown. The total surface area of the cone with slant height s and base radius r is given by the polynomial ?r2 + ?rs. Find an equivalent expression by factoring out a common factor.
A. ?r(?r + s) B. ?r(r + s) C. r(?r2 + ?s) D. ?rs(r + 1)
Find a parametric equation for the parabola described.Focus (-4, -4), directrix y = 12
A. x = 
t2 - 4, y = t - 4
B. y = - 
t2 - 4, x = t + 4
C. y = 
t2 - 4, x = t - 4
D. y = - 
t2 + 4, x = t - 4
Perform the indicated operation. Assume that all variables are nonnegative.(
+ 
)2
A. 
+ 
+ 2
B. 7 + 
C. 7 + 2
D. 29 + 2