Find the x- and y-intercepts of f.f(x) = 4x4(x + 7)3
A. x-intercepts: 0, 7; y-intercept: 4
B. x-intercepts: 0, -7; y-intercept: 0
C. x-intercepts: 0, 7; y-intercept: 0
D. x-intercepts: 0, -7; y-intercept: 4
Answer: B
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+ 2
A. 
B. 
C. 
D. 
Solve.A ladder that is 15 feet long is 9 feet from the base of a wall. How far up the wall does the ladder reach?
A. 12 ft
B. 
ft
C. 144 ft
D. 3
ft
Solve the problem.A flat rectangular piece of aluminum has a perimeter of 66 inches. The length is 15 inches longer than the width. Find the width.
A. 9 in. B. 24 in. C. 33 in. D. 39 in.
Given the function f(x) = , identify any intervals on which f(x) is increasing, decreasing, or constant.
a. The function is decreasing over the interval (). b. The function is increasing over the interval (). c. The function is constant over the interval (). d. The function is constant over the interval () and (2,