2 years ago

Please help asap! Brainliest to correct

Mathematics

1 answer:

KatRina [158]2 years ago

8 0

Answer:

A. -∞<x<∞ B. -∞<x<∞

Step-by-step explanation:

f(x) = 8x - 5

g(x) = (x+5)/8

(f·g)(x) = f(g(x)) = 8 ((x+5)/8) - 5 = x+5-5 = x

(g·f)(x) = g(f(x)) = ((8x-5)+5) / 8 = 8x/8 = x

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