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Mathematics 20 Online
OpenStudy (anonymous):

Given f(x)=2x+5 and g(x)=8x+2 then what is f(g(−9)) ?

OpenStudy (anonymous):

Okay in order to do this problem you need to first solve g(-9). To do this simply plug -9 into x in '8x + 2' and get that answer (-70). Then plug that number into f(x) as x. |dw:1439325612339:dw| Your final answer should be -135.

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