Public domain photos

The image shows a graph of a function with a red line and a green line on a white background. The graph is labeled with numbers and text, indicating that it is a graphing function. The red line is curved and the green line is straight, indicating the direction of the function.

The image shows a graph of a function with a red line and a green line on a white background. The graph is labeled with numbers and text, indicating that it is a graphing function. The red line is curved and the green line is straight, indicating the direction of the function.Open in library