Which function shows a positive rate of change? (1 point) Responses x 0 1 y 13 9 5 1 x Image with alt text: negative 2 Image with alt text: negative 1 0 1 y 13 9 5 1 x 0 1 2 3 y x 0 1 2 3 y Image with alt text: negative 4 Image with alt text: negative 6 Image with alt text: negative 8 Image with alt text: negative 10 Image with alt text: f left-parenthesis x right-parenthesis equals one-third x minus one-half y = 10

The function y = 13 - 4x shows a positive rate of change because as x increases, y decreases at a constant rate.