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Please HELP! Find (fog)(2) and (f+g)(2) when f(x)=1/x and g(x)=4x+9

Please HELP! Find (fog)(2) and (f+g)(2) when f(x)=1/x and g(x)=4x+9
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Please HELP! Find (fog)(2) and (f+g)(2) when f(x)=1/x and g(x)=4x+9

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User Mana
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1 Answer

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(f\circ g)(2)=(1)/(4\cdot2+9)=(1)/(17)\\\\ (f+g)(2)=(1)/(2)+4\cdot2+9=(1)/(2)+17=17(1)/(2)
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User Isis
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