Question

Is `f(x)=7x^5+x-1` a linear function and explain your reasoning?

Answer 1

No

Explanation:

Linear functions are in the form of:

`f(x)=ax+b`

However, this has an `x^5` term so this is not linear.

Graph of the function:

graph{(7(x^5))+x-1 [-10, 10, -5, 5]}