For the given pair of functions, find the requested function.f(x) = x2 - 9 and g(x) = 4x + 4; (g ? f)(x).
A. x2 - 4x - 13
B. 16x2 + 8x - 4
C. x2 + 4x - 5
D. 4x2 - 32
Answer: D
Mathematics
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Find 
by implicit differentiation.
?
?
A. 
B. 
C. 
D. 
Mathematics
Subtract as indicated.
- 
A. 
B. 
C. - 
D. - 
Mathematics
Solve.cos-1 (1 - 2x2) = 2 sin-1 
A. x = ± 
B. x = 
C. x = 2
D. x = -5 + 3
Mathematics
Factor completely.2x3 + 6x2 - 2x - 6
A. 2(x + 1)(x - 1)(x + 3) B. 2(x - 1)(x - 3) C. 2(x + 1)(x - 1)(x - 3) D. 2(x + 1)(x - 3)
Mathematics