SOLUTION: i have been away from school this past week. can you help? Given Z=g(y) = 2y+3 and y=f(x) = x-1 then gof = I came up with 2x-1 it is a homework question thanks

Algebra ->  Algebra  -> Rational-functions -> SOLUTION: i have been away from school this past week. can you help? Given Z=g(y) = 2y+3 and y=f(x) = x-1 then gof = I came up with 2x-1 it is a homework question thanks       Log On

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Question 74101: i have been away from school this past week. can you help?
Given Z=g(y) = 2y+3 and y=f(x) = x-1 then gof =

I came up with 2x-1 it is a homework question thanks

Answer by stanbon(48558) About Me  (Show Source):
You can put this solution on YOUR website!
g(y) = 2y+3 and y=f(x) = x-1 then gof = ?
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gof means g[f(x)]
=g[x-1]
=2(x-1)+3
=2x-2+3
=2x+1
============
Cheers,
Stan H.