Question

if P(x) =x+4 then P(x)+P(-x)=?
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Answer 1

Answer:

Answer is 8.

Step-by-step explanation:

given,

P(x) = x+4

∴ P(-x) = -x+4

∴ P(x) + P(-x)

= x+4-x+4

=4+4

=8