araalabi araalabi
  • 11-08-2020
  • Mathematics
contestada

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

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konrad509
konrad509 konrad509
  • 11-08-2020

[tex](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=\dfrac{1}{2}+\dfrac{34}{2}=\dfrac{35}{2}[/tex]

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