Factor out the common binomial factor as the GCF.(x + 2)(4x + 7) + (x + 2)(9x - 11)
A. (x + 2)(13x - 4)
B. (x + 2)(13x + 4)
C. (x + 2)(9x + 4)
D. (x + 2)(9x - 4)
Answer: A
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Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 5 
A. 
2 + y2 = 
; circle,
radius 
, center at 
in
rectangular coordinates
B. 
x2 + 
2 = 
; circle,
radius 
, center at 
in
rectangular coordinates
C. 
x2 + y2 = 25; circle, radius 5,
center at pole
D. 
x = 5; vertical line 5 units to the right
of the pole
Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = x3 + 8, g(x) = 
A. Yes, no B. No, no C. Yes, yes D. No, yes
Use the equation and the corresponding graph for the quadratic function to find what is requested.f(x) = -2(x - 4)2 + 1
Find the equation of the axis.
A. y = 1 B. x = 1 C. x = 4 D. y = 4
Compute.-(-(-21))
A. 
B. 0
C. 21
D. -21