A boat is moving away from shore in such a way that at time thours its distance from shore, in kilometers, is given by the linear function d(t)=4.5t+9.1 . What is the rate of change of the distance from shore?
A) 4.5 m /s
B) 9.1 m/s
C) 4.5 km/hr
D) 9.1 km/hr

Question

A boat is moving away from shore in such a way that at time thours its distance from shore, in kilometers, is given by the linear function d(t)=4.5t+9.1 . What is the rate of change of the distance from shore?
A)  4.5 m /s
B)  9.1 m/s
C)  4.5 km/hr
D)  9.1 km/hr

Quizplus · Accepted Answer

The rate of change of distance with respect to time in the given linear function d(t) = 4.5t + 9.1 is the coefficient of t, which is 4.5 km/hr.

A Boat Is Moving Away from Shore in Such a Way