# For what values of x is #f(x)=((5x)/2)^(2/3) - x^(5/3# concave or convex?

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The function f(x) = ((5x)/2)^(2/3) - x^(5/3) is concave for x > 0 and convex for x < 0.

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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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