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What is number 8 and how do u do it. HELP

What is number 8 and how do u do it. HELP-example-1

1 Answer

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Answer:


\large\boxed{(f-g)(x)=4^x+x+5}

Explanation:


(f-g)(x)=f(x)-g(x)\\\\f(x)=4^x+3x,\ g(x)=2x-5\\\\(f-g)(x)=(4^x+3x)-(2x-5)=4^x+3x-2x+5=4^x+x+5

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