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Mathematics 15 Online
OpenStudy (anonymous):

Given f(x) = 3x and g(x) = x – 7, (f g)(x) =

OpenStudy (marissalovescats):

So are you trying yo find f(g(x))?

OpenStudy (marissalovescats):

to*

OpenStudy (anonymous):

yes

OpenStudy (marissalovescats):

Ah okay. You are just going to plug the g equation into the f equation. Does that make sense?

OpenStudy (anonymous):

like 3x - 7

OpenStudy (marissalovescats):

The f(x) equation becomes the x of the g(x) equation.

OpenStudy (marissalovescats):

Sort of except it would be 3(x-7)

OpenStudy (anonymous):

ohhh ok thank you so much

OpenStudy (marissalovescats):

That's not the answer. You still gotta solve for x :P

OpenStudy (marissalovescats):

So you basically just need to solve 3x-21=0. Lol

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