If p(x) = x + 3, then p(x) + p(-x) is equal to: - Vidyadip

Question

If p(x) = x + 3, then p(x) + p(-x) is equal to:

✓

Answer

6
Solution:
p(x) = x + 3 and p(-x) = -x + 3
Then, p(x) + p(-x)
= x + 3 - x + 3
= 6

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