Chapter 1, Problem 20E

a.

To determine

Whether the function $f(x)=2x^5-3x^2+2$ is even function or odd function.

b.

To determine

Whether the function $f(x)=x^3-x^7$ is even function or odd function.

c.

To determine

Whether the function $f(x)=e^{-x^2}$ is even function or odd function.

d.

To determine

Whether the function $f(x)=1+\sin x$ is even function or odd function.