# For what values of x is #f(x)=(2x-2)(x-3)(x+3)# concave or convex?

Let’s select a convenient number in the interval less and

graph{(2x-2)(x-3)(x+3) [-80, 80, -40, 40]} [Ans]

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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