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

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

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User Tazz
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1 Answer

5 votes

g(-9)=8(-9)+2=-70


f(g(-9))=f(-70)=2(-70)+5= \boxed{-135}

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User Arvind Katte
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