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Mathematics 8 Online
OpenStudy (anonymous):

If f(x) = 4x + 5 and g(x) = 5x + 4. Find f(g(x)). 9x + 9 5(4x + 5) + 4 20x + 20 20x + 19

OpenStudy (anonymous):

4(5x+4)+5=21 + 20 x

OpenStudy (anonymous):

are you sure that the options are correct?

OpenStudy (anonymous):

yes i am

OpenStudy (anonymous):

your right my teachers just wrong XD

OpenStudy (anonymous):

:)

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