Use calculus and a graphing calculator to find the approximate location of all relative extrema.f(x) = x4 - 3x3 - 21x2 + 74x + 12
A. Approximate local maximum at 1.617; approximate local minima at -3.043 and 3.659
B. Approximate local maximum at 1.525; approximate local minima at -3.061 and 3.812
C. Approximate local maximum at 1.61; approximate local minima at -3.137 and 3.728
D. Approximate local maximum at 1.604; approximate local minima at -3.089 and 3.735
Answer: D
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A. 
B. 
C. 
D. 
Graph the solution set of the inequality.
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A. 
B. 
C. 
D. 
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A. $64 B. $74 C. $54 D. $84
Solve for the variable.(2x2 - 6x - 3) - (2x2 + 4) = 2x + 28
A. x = - 
B. x = - 
C. x = - 
D. x = - 