omundsonbrian omundsonbrian
  • 03-03-2020
  • Mathematics
contestada

If f(x) = 2x -­ 4 and g(x) = x^2+3, find each value.

19. (f -­ g)(x)
20. (f • g)(x)

Respuesta :

Hrishii
Hrishii Hrishii
  • 03-03-2020

Step-by-step explanation:

[tex](f - g)(x) = f(x) - g(x) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = (2x - 4) - ( {x}^{2} + 3) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 2x - 4 - {x}^{2} - 3 \\ \red{ \boxed{\therefore (f - g)(x) = - {x}^{2} + 2x - 7}}[/tex]

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