randy3253 randy3253
  • 19-04-2022
  • Mathematics
contestada

For f(x)=2x+1 and g(x)=x^2-7, find (f-g)(x).

Respuesta :

profarouk profarouk
  • 19-04-2022

Answer:

[tex](f-g)(x)=-x^{2}+2x+8[/tex]

Step-by-step explanation:

[tex]\left( f-g\right) \left( x\right) =f\left( x\right) -g\left( x\right)[/tex]

                [tex]=2x+1-\left( x^{2}-7\right)[/tex]

                [tex]=2x+1-x^{2}+7[/tex]

                [tex]=-x^{2}+2x+8[/tex]

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