johna317 johna317
  • 17-01-2018
  • Mathematics
contestada

find (f-g)(x) if f(x)=2x^2+1 and g(x)=x^2-7
A. x^2+8
B. x^2-6
C. 3x^2-6
D. 3x^2+8

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 16-01-2019

Answer:

A

Step-by-step explanation:

To find (f-g)(x), take gx) and subtract it from f(x).

[tex]f(x) = 2x^2+1[/tex]

and

[tex]g(x) = x^2-7[/tex]

so

[tex](f-g)(x) = 2x^2+1 - (x^2 -7)\\(f-g)(x) = 2x^2+1-x^2+7\\(f-g)(x) = x^2+8[/tex]

Answer Link
monster0426
monster0426 monster0426
  • 04-11-2019

Answer:

C. 3x^2-6

Step-by-step explanation:

I just took the test.

(Apex)

Answer Link

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