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Question
If p(x) = x + 3, then p(x) + p(–x) is equal to ______.
Options
3
2x
0
6
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Solution
If p(x) = x + 3, then p(x) + p(–x) is equal to 6.
Explanation:
Given p(x) = x + 3,
Put x = – x in the given equation, we get p(– x) = – x + 3
Now, p(x) + p(– x) = x + 3 + (– x) + 3 = 6
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