Respuesta :

We have the next function

[tex]f(x)=-2x-5[/tex]

And we must calculate f (-3).

To calculate it we must replace x = -3 in the function.

[tex]f(-3)=-2(-3)-5[/tex]

Finally, we must simplify the answer

[tex]f(-3)=6-5=1[/tex]

So, the answer is

[tex]f(-3)=1[/tex]