# How do you find the range of #f(x)=(x^2-4)/(x-2)#?

We can simplify in this way:

graph{(x^2-4)/(x-2) [-10, 10, -5, 5]}

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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.

- Is the x-axis an asymptote of #f(x) = x^2#?
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- How do you find the Vertical, Horizontal, and Oblique Asymptote given #f (x ) = (3x^2 - 2x - 1) / (x + 4 )?#?
- What is the domain of #(f@g)(x)#?
- How do you find the inverse of # x - 2y = 5# and is it a function?

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