find out whether the following function is even or odd
f(x)=constant
answer is even
Let f(x) = k, where k is a fixed number.
Clearly, the value of f(x) does not depend on x. Putting -x in place of x should not change it.
f(-x) = k
\(\Rightarrow f(-x) = f(x)\)
Hence, even.
Thank you sir.