A helicopter hovers 40 ft above the ground. Then the helicopter climbs at a rate of 21 ft/s. Write a rule that represents the helicopter’s height h above the ground as a function of time.

Show your work

The rule that represents the helicopter's height h above the ground as a function of time can be expressed as:

h(t) = 40 + 21t

Where h(t) is the height of the helicopter above the ground at time t.