Determine whether the function f(x)=|x|+x2+0.001 is even , odd or neither. 10 points

ANSWER

even

EXPLANATION

The given function is

If f(x) is even then f(-x) =f(x).

We can see that:

Hence the given function is even.

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.