Given f(x) and g(x), find the indicated composition.f(x) = 4x + 9; g(x) = 5x - 1Find (f ? g)(x).
A. (f ? g)(x) = 20x + 5
B. (f ? g)(x) = 20x + 44
C. (f ? g)(x) = 20x + 13
D. (f ? g)(x) = 20x + 8
Answer: A
Mathematics
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Graph.f(x) = -x2 + 2x - 7
A. 
B. 
C. 
D. 
Mathematics
Locate each number on a number line.-
, 
, 
, -1.07
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression x - y for the given values of the variables.x = -14, y = -2
A. 16 B. -16 C. -12 D. 12
Mathematics
Determine any local or absolute extrema as indicated.Determine graphically the local extrema of f(x) = -4x2/3 + 2.
A. Local maximum: 0; no local minimum B. No local maximum; local minimum: 2 C. Local maximum: 2; local minimum: -? D. Local maximum: 2; no local minimum
Mathematics