Complete:

_____________ functions symmetric to the y-axis.

True or false: The sum of an even and odd function is neither even nor odd function.

True or false : Cubic functions are odd functions.

Is the sentence true or false?

Cubic functions are odd functions.

These are functions symmetric on the origin.

Is $f(x)=3\sin x$ even or odd function?

Is the sentence true or false?

Absolute value functions in the form $f(x)=a|x|+c$  is an odd function.

Is $f(x)$ $=$ $2$ $x^3$  even or odd function?

Is $f(x)=x$ even or odd function?

Is the sentence true or false?

The sum of two even functions is even function.