Find the x- and y-intercepts of f.f(x) = (x + 1)(x - 8)(x - 1)2
A. x-intercepts: -1, 1, -8; y-intercept: -8
B. x-intercepts: -1, 1, -8; y-intercept: 8
C. x-intercepts: -1, 1, 8; y-intercept: 8
D. x-intercepts: -1, 1, 8; y-intercept: -8
Answer: D
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A. x5
B. 
C. - 
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Find the vertical asymptotes, if any, of the graph of the rational function.f(x) = 
A. no vertical asymptote B. x = 2, x = -2 C. x = -2 D. x = 2
Express the radical in simplified form. Assume that all variables represent positive real numbers.
A. 2ab
B. -2a2b
C. 2
D. 2ab
Solve the problem.Two vertical poles of lengths 12 feet and 24 feet are situated on level ground 50 feet apart, as shown in the figure below. A piece of wire is to be strung from the top of the 12-ft pole, to a stake in the ground, to the top of the 24-ft pole. At what distance from the 12-foot pole should the stake be located to minimize the amount of wire used? Round your answer to the nearest tenth of a foot.12 ft
24 ft? 50 ft
A. 18.5 ft B. 17.9 ft C. 16.7 ft D. 12.3 ft