SOLUTION: Quadratic equation parabola.. if y=-2x^6-32x^3-118, does y have a maxiMum value? What is tge value? What is the corresponding value of x?

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Question 982209: Quadratic equation parabola..
if y=-2x^6-32x^3-118, does y have a maxiMum value? What is tge value? What is the corresponding value of x?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Try factoring and substituting for x^3.

y=-2%28x%5E6%2B16x%5E3%2B59%29

Let v=x^3 and .....

y=-2%28v%5E2%2B16v%2B59%29

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CHANGE IN THOUGHT

IF you are in a Calculus 1 course, try taking derivative, and set equal to zero. You should be able to find something near or at x=2. This question would be better in a Calculus 1 course than a College Algebra course.