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03-07-2019
Mathematics

contestada

This is a tough one :/
If f(x) = -x + 7 and g(x) = radical of x– 3,
what is (f º g)(4)

Respuesta :

03-07-2019

Answer:

6

Step-by-step explanation:

To solve, first plug in 4 as your x value for your g(x) equation.

[tex]g(4)=\sqrt{4-3} \\g(4)=\sqrt{1} \\g(4)=1[/tex]

Next, plug in the value of g(4) into your f(x) equation for x.

[tex]f(1)=-1+7\\f(1)=6[/tex]

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