Factor out the largest possible common factor.w(z - 5) - 9(z - 5)
A. (z - 5)(w + 9)
B. 9w(z - 5)
C. (z - 5)(w - 9)
D. (wz - 5w) - (9z - 45)
Answer: C
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Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -2x2 + 13x + 4
A. Increasing on (-?, 1); decreasing on ( -1, ?)
B. Increasing on 
; decreasing on 
C. Increasing on 
; decreasing on 
D. Increasing on (-?, 0); decreasing on ( 0, ?)
Graph the given functions on the same rectangular coordinate system. Describe how the graph of g is related to the graph of f.f(x) = 
, g(x) = 
- 1
A. g shifts the graph of f vertically down 1 unit
B. g shifts the graph of f vertically up 1 unit
C. g shifts the graph of f vertically up 1 unit
D. g shifts the graph of f vertically down 1 unit
Divide and simplify.
A. -12x9 + 9x3 B. 12x12 C. 3x6 - 36x6 D. 3x6 + 9x3
Find the decimal form for the rational number. If it repeats, then so indicate with a bar.
A. 1.
B. 1.5
C. 1.56
D. 1.57