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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
3 Nov 2021

Given information

Step-by-step explanation

Step 1.

A function is said to be even if  and said to be odd if  for all  in the domain.

Write  in place of  in the given function. It implies,

 

Thus, according to the definition of an even function, the given function is even.

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