Write a function rule that represents the situation.
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 t.
show your work
The initial height of the helicopter is 40 ft above the ground. As time passes, the helicopter climbs at a rate of 21 ft/s.
Therefore, the function rule that represents the helicopter's height h above the ground as a function of time t can be written as:
h(t) = 40 + 21t