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): 3,5,7,9 plant height (cm): 15, 25, 35,45

a. y-15= (x-3)
b, y-15= 5(x-3)