Question

If p(x)=
2 − 5 + 6 then find the value of p(x)+p(-x)

Answer 1

p(x)=2-5+6=3

p(-x)=-(2-5+6)=-3

p(x)-p(-x)=3-3=0

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Answer 2

Answer:

6

Step-by-step explanation:

p(x)=  2 − 5 + 6 =3, p(x) is independent of x

That is, for all x, f(x) = 3

p(-x)=  3

Therefore, f(x) + f(-x) = 3+3 = 6