# How do you evaluate the expression when y=3 and x=27 for #x-6y#?

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(x - 6y = 27 - 6 \times 3)

Evaluate: (x - 6y = 27 - 18)

Result: (x - 6y = 9)

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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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