Question

The graph of

is positive over the interval and negative over the interval . What happens on the graph when ​? Explain.

Answer 1

Positive & negative intervals on a graph

Answer 2

Positive and negative intervals on a graph

Explanation:

The positive regions of a function are those intervals where the function is above the x-axis. It is where the y-values are positive (not zero). The negative regions of a function are those intervals where the function is below the x-axis. It is where the y-values are negative (not zero). hope this helps you :)