# What is #3[f(x + 2)]# if #f(x) = x^3 + 2x^2 - 4#?

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3[f(x + 2)] = 3[(x + 2)^3 + 2(x + 2)^2 - 4]

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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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