SOLUTION: Verify that the two function are inverse functions algebraically: f(x)=4x+9 g(x)=x-9/4

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Question 437638: Verify that the two function are inverse functions algebraically:
f(x)=4x+9 g(x)=x-9/4
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate f(g(x)):

.

Hence, f and g are inverses of each other.