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# PRE CALCULUS question please help?

given f(x) = x+1. Evaluate f (2 / x+3).

1. x-5 / x+3

2. x+5 / x+3

3. 5 / 3

4. x / x+3

### 2 Answers

Relevance

- 8 years ago
f(x) = x + 1

f(2 / (x + 3)) =

(2/(x + 3)) + 1 =

(2/(x + 3)) + (x + 3)/(x + 3) =

(2 + x + 3) / (x + 3) =

(x + 5) / (x + 3)

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