Find the x- and y-intercepts of f.f(x) = 5x - x3
A. x-intercepts: 0, -5; y-intercept: 5
B. x-intercepts: 0, 
, -
; y-intercept: 0
C. x-intercepts: 0, -5; y-intercept: 0
D. x-intercepts: 0, 
, -
; y-intercept: 5
Answer: B
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Factor.81k2 - 16m2
A. (9k + 4m)(9k - 4m) B. (9k + 4m)2 C. 81k2 - 16m2 D. (9k - 4m)2
Solve the problem.Zach is planning to invest up to $45,000 in corporate and municipal bonds. The least he will invest in corporate bonds is $8000 and he does not want to invest more than $25,000 in corporate bonds. He also does not want to invest more than $34,601 in municipal bonds. The interest is 7.9% on corporate bonds and 6.8% on municipal bonds. This is simple interest for one year. What is the maximum income?
A. $23,335 B. $3335 C. $28,335 D. $5615
Find A - B.
a. 
b. 
c. 
d. 
e. 
Factor out the common factor. 28y + 4
a. 4 ( 24y ) b. 4 ( 7y ) c. 4 ( 7y + 1 ) d. 28 ( y + 1 ) e. 28 ( y - 1 )