3. Suppose a car travels at a constant rate of 70 kph for 2 hours and travels 55 kph thereafter. Show that distance travelled is a function of time and find the rule of the function.
3. Suppose a car travels at a constant rate of 70 kph for 2 hours and travels 55 kph thereafter. Show that distance travelled is a function of time and find the rule of the function.
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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13-14.
![13. Suppose a car travels at a constant rate of 70 kph for 2 hours and travels 55 kph
thereafter. Show that distance travelled is a function of time and find the rule of the
function.
14. A man jogs for 20 minutes at a rate of 6 kph, then walks for 30 minutes at a rate of 3 kph,
then sits and rests for 15 minutes and finally walks for 45 minutes. Find the rule of the
function that expresses his distance travelled as a function of time.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdb3b4366-02a7-4558-96f0-6d31d549b0b9%2F8d9d8e3a-5a71-41e7-89df-29fc5dce0d05%2Fharu9vo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:13. Suppose a car travels at a constant rate of 70 kph for 2 hours and travels 55 kph
thereafter. Show that distance travelled is a function of time and find the rule of the
function.
14. A man jogs for 20 minutes at a rate of 6 kph, then walks for 30 minutes at a rate of 3 kph,
then sits and rests for 15 minutes and finally walks for 45 minutes. Find the rule of the
function that expresses his distance travelled as a function of time.
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