11. At noon, a car leaves town A on a street road, heading south at 60 km/h, and a plane 4 km above the ground passes over town A heading east at 650 km/h. (a) Express the distance r travelled by the car and the distance s travelled by the plane as functions of time. (b) Express the distance d between the plane and the car in terms of r and s. (c) Express d as a function of time. (d) How far apart were the plane and the car at 1:30PM?

11. At noon, a car leaves town A on a street road, heading south at 60 km/h, and a plane 4 km above the ground passes over town A heading east at 650 km/h. (a) Express the distance r travelled by the car and the distance s travelled by the plane as functions of time. (b) Express the distance d between the plane and the car in terms of r and s. (c) Express d as a function of time. (d) How far apart were the plane and the car at 1:30PM?

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter2: Functions

Section: Chapter Questions

Problem 30P: In this problem you are asked to find a function that models in real life situation and then use the...

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