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lara31 [8.8K]
3 years ago
9

PLEASE PLEASE PLEASE HELP I really don’t understand this.

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0

Answer:

The second option is the answer.

Step-by-step explanation:

Do f(x) first, and then plug that into g(x).

f(x)=\sqrt{x+3}

(g o f)(x) = \frac{\sqrt{x+3}^{2}+2 }{\sqrt{x+3}}=\frac{x+5}{\sqrt{x+3}}

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