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Mathematics 21 Online
OpenStudy (anonymous):

Goodmorning :) @hartnn

OpenStudy (rowanmartinfan):

TOO SLEEPY

OpenStudy (anonymous):

OpenStudy (anonymous):

A board is 12 feet long. If the board is divided into 12 equal sections, how long is each section?

OpenStudy (thomas5267):

\[ (f\circ g)(x)=f(g(x)) \]

OpenStudy (anonymous):

@IMStuck

OpenStudy (imstuck):

I love these and would be honored to help you!

OpenStudy (anonymous):

^^^^.^^^^ !

OpenStudy (imstuck):

Take each g(x) function and put the f function in where you see an x in the g function and see if the final result is 12x. Like this for the first choice from your answers:

OpenStudy (imstuck):

|dw:1404752284382:dw|

OpenStudy (imstuck):

Let me work all of them and I'll be right back.

OpenStudy (anonymous):

otayy

OpenStudy (imstuck):

It's the last one and I will show you why/how.

OpenStudy (imstuck):

Your g(x) function is 3x. Where you see the x in that...replace it with the whole f function. So 3x changes to 3(4x). 4x is your f(x). We subbed that in for the x in the g function. What is 3 times 4x?

OpenStudy (imstuck):

TY for the medal!

OpenStudy (anonymous):

12 :)

OpenStudy (imstuck):

You got it!!!

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