Consider the following function: where f(x) = 2x²x³ +1 x E (a) Find the x that are critical value points of f(x) (values of x that are a potential mini- mum or maximum). (b) Are those critical values maximum or minimum? (Hint: Check the second order derivative. Check also the value of the function at the endpoints -1 and to make sure you have the correct answer.)

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