Question

Which term makes the equation y=sup(x,3)+2x+1 nonlinear?

Answer 1

sup(x,3)

Explanation:

Linear equation:

A linear equation has the following format:

`y = ax + b`

In a linear equation, when x changes by 1, y will always change by the amount a, which is called slope.

In this question:

y=sup(x,3)+2x+1

`y = 2x + 1` would be a linear equation.

However, the expression sup(x,3), that is, the higher value between x and 3, means that the function is not linear.