SOLUTION: Consider a function F(x)= x^3 -x^2 -x -8. If F(u)= -8,how many real values of u are there?

SOLUTION: Consider a function F(x)= x^3 -x^2 -x -8. If F(u)= -8,how many real values of u are there?

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Question 1040850: Consider a function F(x)= x^3 -x^2 -x -8. If F(u)= -8,how many real values of u are there?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
and F(u) = -8
==>
==> ==>
==> the roots are u = 0, .
==> there are three real values for u.
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