SOLUTION: if f(x)=2x+1 and g(x)= x-1 over 2 then f(g(x))= ?
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Question 375581: if f(x)=2x+1 and g(x)= x-1 over 2 then f(g(x))= ?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given function.
Plug in
Plug in on the right side.
Cancel the common terms.
Simplify.
Combine like terms.
Note: if you show that g(f(x))=x as well, then you've shown the f and g are inverse functions of each other.
If you need more help, email me at jim_thompson5910@hotmail.com
Also, feel free to check out my tutoring website
Jim
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