Evaluate the expression.(g ? f)(c) when f(x) = -3x + 4 and g(x) = 6x + 4.
A. -18c + 16
B. 18c + 28
C. -18c - 20
D. -18c + 28
Answer: D
Mathematics
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Solve the problem.If 
is a convergent series of nonnegative terms, what can be said about 
, where k is a positive integer?
A. Always diverges B. May converge or diverge C. Always converges
Mathematics
Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. No B. Yes
Mathematics
Provide an appropriate response.Perform the indicated operations: 14 - 
A. Undefined B. -43 C. 14 D. 13
Mathematics
Find the exact value of the indicated trigonometric function of ?.tan ? = - 
, 90°< ? < 180°Find cos ?.
A. 
B. -8
C. - 
D. 
Mathematics