emmers111 emmers111

19-06-2017
Mathematics

contestada

ƒ(x) = –x2 – 4 for x = –3.

Respuesta :

19-06-2017

I'm assuming it looks like this:

[tex]f(x) = -x^2 - 4[/tex]

So we start by plugging -3 for x

[tex]f(-3) = -(-3)^2 - 4[/tex]

Which becomes:

[tex]f(-3) = 3^2 - 4[/tex]

Now simplify

[tex]f(-3) = 9 - 4[/tex]

[tex]f(-3) = 5[/tex]

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