SOLUTION: If f(x)=3x^2+1 and g(x)=2x+2, then (fog^-1)(2) = ...I don't understand how to find the answer. I know that "fog" means f of g, but I don't know how to plug that in.

Question 698148: If f(x)=3x^2+1 and g(x)=2x+2, then (fog^-1)(2) =

...I don't understand how to find the answer.
I know that "fog" means f of g, but I don't know how to plug that in.
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
To get f of g :
take the info for g(x) (in this case 2x+2) and plug that into the equation for f(x).
So every place you see an 'x' in the f(x) equation, plug in '2x+2' (which is g(x)

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