Question

i don't understand this. i think if i just had an explanation i could figure out the rest of the worksheet.

Answer 1

Answer:

$f(x) = \frac{3}{x + 2} \\ g(x) = \frac{5}{x + 2} \\ (f + g)(x) = \frac{3}{x + 2} + \frac{5}{x + 2} \\ (f + g)(x) = \frac{8}{x + 2} \\ Domain \: x\in \R /({x\neq - 2})$