Df;{-4,-2,0,2,4}
Zwf;{0,2,4,6,8}
b)f(-4)=0
f(-2)=2
f(0)=4
f(2)=6
f(4)=8
a)
Df={-4,-2,0,2,4}
ZWf={0,2,4,6,8}
b)
f(-4)=0