# How do you find the limit of #3x^3-5x# as #x->4#?

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To find the limit of 3x^3 - 5x as x approaches 4, we substitute 4 into the expression:

3(4)^3 - 5(4) = 192 - 20 = 172.

Therefore, the limit of 3x^3 - 5x as x approaches 4 is 172.

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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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