emilypadilla16 emilypadilla16
  • 15-02-2019
  • Mathematics
contestada

F(x)=4x2+1 and g(x) = x2 -5 find (f-g) (x)
The two 2s are ex

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gmany
gmany gmany
  • 24-02-2019

Answer:

[tex]\large\boxed{(f-g)(x)=3x^2+6}[/tex]

Step-by-step explanation:

[tex](f-g)(x)=f(x)-g(x)\\\\\text{We have}\ f(x)=4x^2+1\ \text{and}\ g(x)=x^2-5.\ \text{Substitute:}\\\\(f-g)(x)=(4x^2+1)-(x^2-5)=4x^2+1-x^2-(-5)\\\\\text{combine like terms}\\\\(f-g)(x)=(4x^2-x^2)+(1+5)=3x^2+6[/tex]

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