Question

If f (x) = (3+x)/(x-3) what is fa+2)?

Answer 1

Answer:

$\frac{a+5}{a-1}$

Step-by-step explanation:

Given

f(x) = $\frac{3+x}{x-3}$

To evaluate f(a + 2) substitute x = a + 2 into f(x), that is

f(a + 2) = $\frac{3+a+2}{a+2-3}$ = $\frac{a+5}{a-1}$