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22-05-2019
Mathematics

contestada

What is the value of (gof)(4)

F(x)=3-x; g(x)=4x+1

Respuesta :

22-05-2019

Answer:

-3

Step-by-step explanation:

[tex]f(x) = 3 - x[/tex]

[tex]g(x) = 4x + 1[/tex]

[tex]h(x) = (g \bullet f) (x) = g(f(x)) \\ = 4(3 - x) + 1 \\ = 13 - 4x[/tex]

then

[tex]h(4) = 13 - 4 \times 4 = - 3[/tex]

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