Divide.
A. 4
B. 1.4
C. 14
D. 0.4
Answer: D
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Find the intercepts of the function f(x).f(x) = 3x3 - 19x2 + 30x - 8
A. x-intercepts: - 
, 2, -4; y-intercept: -8
B. x-intercepts: - 
, 1, -2; y-intercept: -8
C. x-intercepts: 
, 2, 4; y-intercept: -8
D. x-intercepts: 
, 1, 2; y-intercept: -8
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.90x - 3.79 B. y = 0.85x - 2.79 C. y = 0.95x - 2.79 D. y = 0.80x - 3.79
Find the angle between v and w. Round to one decimal place, if necessary.v = 2i + j + 2k and w = i + 2j + 3k
A. 63° B. 27° C. 53.3° D. 48.2°
Solve the problem.Two vertical poles of lengths 14 feet and 26 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 14-ft pole, to a stake in the ground, to the top of the 26-ft pole. At what distance from the 14-foot pole should the stake be located to minimize the amount of wire used? Round your answer to the nearest tenth of a foot.14 ft
26 ft? 50 ft
A. 13.8 ft B. 19.2 ft C. 15.2 ft D. 17.4 ft