Solve the problem.If f(x) = 3x3 - 4x and g(x) = -8x - 8x2, find all x-values for which 
A. 
B. 
C. 
D. 
Answer: B
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Solve the equation using the quadratic formula.x2 + x + 5 = 0
A. 
B. 
C. 
D. 
Find the critical point(s) of the function. Then use the second derivative test to classify the nature of each point, if possible. Finally, determine the relative extrema of the function.
?
?
A. 
; relative minimum value: 
B. 
; saddle point: 
C. 
; relative maximum value: 
D. there are no critical points
For the pair of functions, find the indicated composition.f(x) = 4x2 + 4x + 7, g(x) = 4x - 4Find (g ? f)(x).
A. 4x2 + 16x + 24 B. 16x2 + 16x + 24 C. 16x2 + 16x + 32 D. 4x2 + 4x + 3
Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.f(x) = 6x - 9
A. polynomial function; (-?, 0) ? (0, ?) B. polynomial function; (-?, ?) C. polynomial function; (0, ?) D. polynomial function; [9, ?)