The table shows the height of a plant as it grows. Which equation in point-slope form gives the plant’s height at any time?

A. y – 21 = 7/2(x – 3)
B. y – 21 = 7(x – 3)
C. y – 3 =7/2 (x – 21)
D. The relationship is nonlinear

D. The relationship is nonlinear