Question

f(x)=4/9-x
f(x)=-4
f(x)=2

Answer 1

f(-4)=4/9+4
f(-4)=4/9+36/9
f(-4)=40/9=4 4/9

f(2)=4/9-2
f(2)=4/9-18/9
f(2)=-14/9