Solve the problem.Given f(x) = x2 + 5x - 4, find f(0).
A. 0
B. -4
C. 4
D. 16
Answer: B
Mathematics
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Find the derivative of y with respect to the independent variable.y = (cos ?)
A. -
cos ? sin ?
B. 
(cos ?)
-1
C. -(cos ?)
-1 sin ?
D. -
(cos ?)
-1 sin ?
Mathematics
Provide an appropriate response.What is another way of expressing the composition (f ? g)(x)?
A. (g ? f)(y) B. (g ? f)(x) C. g[f(x)] D. f[g(x)]
Mathematics
Divide and simplify.
A. 
B. 
C. y9
D. 
Mathematics
Solve the problem.It costs $34 per hour plus a flat fee of $20 for a plumber to make a house call. Find the total cost to have a plumber come to a house for 5 hours.
A. $685 B. $190 C. $134 D. $170
Mathematics