In the spring, the height of a vine was 15 inches. in the fall, the height of the vine was 120 inches. what was the percent of increase?

800%

700%

80%

70%

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for

I’m not sure about that