Find all the critical points of the function f(x)=5x^6+12x^5-60x^4+56 .  Use the First and/or Second Derivative Test to determine whether each critical point is a local maximum, a local minimum, or neither.  You may use either test, or both, but you must show your use of the test(s).  You do not need to identify any global extrema.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter5: Graphs And The Derivative
Section5.CR: Chapter 5 Review
Problem 14CR
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Find all the critical points of the function f(x)=5x^6+12x^5-60x^4+56 .  Use the First and/or Second Derivative Test to determine whether each critical point is a local maximum, a local minimum, or neither.  You may use either test, or both, but you must show your use of the test(s).  You do not need to identify any global extrema.

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