Determine all critical points for the function.f(x) = 45x3 - 3x5 

A. x = -3
B. x = 3
C. x = -3 and x = 3
D. x = 0, x = -3, and x = 3


Answer: D

Mathematics

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A. Amplitude = 6
Period = 
B. Amplitude = 6
Period = ?
C. Amplitude = 3
Period = 
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