Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.f(x) = x4 - 3x3- 21x2 + 74x - 97
A. Approximate local maximum at 1.513; approximate local minima at -3.023 and 3.71
B. Approximate local maximum at 1.584; approximate local minima at -3.021 and 3.786
C. Approximate local maximum at 1.604; approximate local minima at -3.089 and 3.735
D. Approximate local maximum at 1.549; approximate local minima at -3.181 and 3.689
Answer: C
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Find the LCM of 3, 4, and 15. ?
A. 180 B. 300 C. 60 D. 240
Solve the problem.On a cloudy day, Sun Woo needed to know the height of a window in a building. Sun Woo positioned a mirror on the ground between himself and the building so that when he looked in the mirror, he saw the window. If the mirror was 18.49 cm from his feet and 32.14 m from the base of the building and Sun Woo's eye was 1.79 m above the ground, how high up on the building was the window located? Round to the nearest unit.
A. 3 m B. 103 m C. 1 m D. 311 m
Perform the indicated operation.
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A. 
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C. - 
D. 
Factor the trinomial completely.96x2 + 56xy + 8y2
A. 8(3x + y)(4x + y) B. (24x + 8y)(4x + y) C. 8(3x - y)(4x - y) D. prime