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Mathematics 7 Online
OpenStudy (anonymous):

If f(x) = 7x^2+9x-2 And g(x) = 4x+5 What is (f o g)(X)?

OpenStudy (anonymous):

7(4x+5)^2+9(4x+5)-2 simplify that, by first expanding, distributing, etc

OpenStudy (anonymous):

when its (f o g)(x), u basically need to plug in g(x) in the spot of x in f(x)

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