Question

If p(x)=x+4 then p(x) + p(-x)=? Please give full explanation.​

Answer 1

Answer:

p(x)=x+4

p(-x)=-x+4

p(x)+p(-x)=x+4-x+4=8

Answer 2

p (x)=x+4

p (-x)=(-x-4)

so p (x)+p (-x)=(x+4)+(-x-4)

=x+4-x-4

=0