Answer:
Step-by-step explanation:
[tex]f(x)=-2x+13[/tex]
To find f(-4), substitute the value of x that's - 4 into f(x). That is for every x in f(x) replace it with - 4
We have
[tex]f( - 4) = - 2( - 4) + 13 \\ = 8 + 13 \\ = 21 \: \: \: \: \: \: \: \: [/tex]
We have the final answer as
Hope this helps you