Question

Plz help me if u do u a good person

Answer 1

f(x)=-2x+9

f(4)+3=?

let x equal to 4

f(4)=-2(4)+8

f(4)=-8+9=+1

f(4)=1

then add 3 to f(4)

f(4)+3=1+3

f(4)+3=4

and he need f(4)+3 so the answer is

4

that's it