SOLUTION: sketch the graph of the polynomial function f(x)=2x^3-x^2-8x+4. label the zeroes and maximum/mini points. show your work

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Question 1137124: sketch the graph of the polynomial function f(x)=2x^3-x^2-8x+4. label the zeroes and maximum/mini points. show your work
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

Sketch the graph of the function

Solution:
1. Find the relative max and min
′=
critical numbers:



′′=

evaluate at the critical numbers
′′=> f concave down
relative max at


=> point (,) is a relative max

′′ f concave up
relative min at

=>point:(, ) is a relative min



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