# If #f(x) = x + 3# and #g(x) = 2x - 7#, what is #(f@g)(x)#?

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To find $(f@g)(x)$, first find $f(g(x))$.

$g(x) = 2x - 7$

$f(g(x)) = f(2x - 7)$

$f(x) = x + 3$

$f(g(x)) = 2x - 7 + 3 = 2x - 4$

So, $(f@g)(x) = 2x - 4$.

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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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