SOLUTION: "verify that f and g are inverse functions" this problem is in my math book f(x)=2x+3 , g(x)=1/2x-3/2 <-(they're fractions)

Algebra ->  Inverses -> SOLUTION: "verify that f and g are inverse functions" this problem is in my math book f(x)=2x+3 , g(x)=1/2x-3/2 <-(they're fractions)      Log On


   

Question 374993: "verify that f and g are inverse functions"
this problem is in my math book
f(x)=2x+3 , g(x)=1/2x-3/2 <-(they're fractions)
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


You are given that and

You want to prove that

Replace with



Solve for







Exchange positions of and



Replace with



But note that



Therefore:



John

My calculator said it, I believe it, that settles it
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