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leahcar99
leahcar99 leahcar99
  • 19-07-2016
  • Mathematics
Answered

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

Verified Answer :

konrad509
konrad509 konrad509
  • 19-07-2016

\((f\circ g)(2)=\dfrac{1}{4\cdot2+9}=\dfrac{1}{17}\\\\ (f+g)(2)=\dfrac{1}{2}+4\cdot2+9=\dfrac{1}{2}+17=17\dfrac{1}{2}\)

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