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Mathematics 8 Online
OpenStudy (anonymous):

Find f*g if f(x) = 2x - 1 and g(x) = x + 2.

OpenStudy (mtalhahassan2):

what u want to do

OpenStudy (mtalhahassan2):

I will help u with it

OpenStudy (anonymous):

\[f*g~(x) = (2x-1)(x+2)\] evaluate

OpenStudy (anonymous):

find f(g). and thanks.

OpenStudy (anonymous):

f(g(x))?

OpenStudy (anonymous):

In that case plug in g(x) into where ever there is an x in the function f(x).

OpenStudy (anonymous):

okay? so will I add or?

OpenStudy (anonymous):

so the answer would be: 2x+3? or 2x-3? or?? @Nnesha

Nnesha (nnesha):

do you know how to foil ???

OpenStudy (anonymous):

I used to but I don't remember

Nnesha (nnesha):

okay so you have to|dw:1422503109418:dw| multiply

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