The table shows the height of a plant as it grows. what equation in point-slope form gives the plant’s height at any time? let y stand for the height of the plant in cm and let x stand for the time in months. time (months): 3; plant height (cm): 9 time (months): 5; plant height (cm): 15 time (months): 7; plant height (cm): 21 time (months): 9; plant height (cm): 27