kevthecompass kevthecompass

08-07-2019
Mathematics

contestada

If f(x) = 4 - x? and g(x) = 6x, which expression is equivalent to (g- 1)(3)?

Respuesta :

12-07-2019

Answer:

17

Step-by-step explanation:

[tex](g-f)(x)=g(x)-f(x)\\\\f(x)=4-x,\ g(x)=6x\\\\(g-f)(x)=6x-(4-x)=6x-4-(-x)=6x-4+x=7x-4\\\\(g-f)(3)-\text{put}\ x=3\ \text{to the expression}\\\\(g-f)(3)=7(3)-4=21-4=17[/tex]

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