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Let f (x) = | x - 2| where x is real num...

Let `f (x) = | x - 2|` where x is real number. Which one of the following is true ?
a) f is periodic
b) `f (x + y ) = f (x) + f (y)`
c)f is not one-one function
d)f is an even function

A

f is periodic

B

`f (x + y ) = f (x) + f (y)`

C

f is not one-one function

D

f is an even function

Text Solution

Verified by Experts

The correct Answer is:
D
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