Is infinity plant in Harris garden was 12 cm tall when it was first painted sunset it has grown approximately 0.3 cm per day write a rule to describe the function HD equals 0.3 d + 12 120 + 0.3 HD = 3.0.3 d

HD = 0.3d + 12

where:
HD = height of the infinity plant in centimeters
d = number of days since the plant was first painted at sunset