PLEASE HELP Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x f(x) = (x+3)/4 g(x) = 4x - 3

asked Nov 24, 2018 227k views

0 votes

PLEASE HELP Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x

f(x) = (x+3)/4

g(x) = 4x - 3

7.2k points

Please log in or register to add a comment.

6 votes

compose them with eachother

f(g(x))=(4x-3+3)/4=(4x+0)/4=4x/4=x
g(f(x))=4((x+3)/4)-3=(x+3)-3=x+3-3=x+0=x

Snorpey answered Nov 27, 2018

7.8k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.6m questions

11.3m answers