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Mathematics 7 Online
OpenStudy (anonymous):

If f(x) = 5x + 3 and g(x) = 2x + 3, what is f(g(x)) ?

OpenStudy (saifoo.khan):

5(2x+3) + 3

OpenStudy (anonymous):

My options include A) 10x + 21 B) 10x + 18 C) 10x + 15 D) 10x + 12

OpenStudy (anonymous):

multiply out and combine like terms to find the right one

OpenStudy (saifoo.khan):

Solve that to get one of there.

OpenStudy (saifoo.khan):

these*

OpenStudy (anonymous):

mk, thanks

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