In Exercises (a) Find the critical numbers of (if any) (b) Find the open interval(s) on
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In Exercises
(a) Find the critical numbers of ƒ (if any)
(b) Find the open interval(s) on which the function is increasing or decreasing
(c) Apply the First Derivative Test to identify all relative extrema
(d) Use a graphing utility to confirm your results.
Transcribed Image Text:
f(x) = 4x³ - 5x
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