The velocity of a (fast) automobile on a straight highway is given by the function to the right, where t is measured in seconds and v has units of m/s. 2t if 0st< 15 v(t) = { 30 if 15st< 35 100 - 2t t235 a. Graph the velocity function for 0sts 100. When is the velocity a maximum? When is the velocity zero? b. What is the distance traveled by the automobile in the first 20 s? c. What is the distance traveled by the automobile in the first 50 s? d. What is the position of the automobile when t= 60? ..... When is the velocity zero? A. 15 sts35 B. t= 0 C. t= 50 D. Osts30 E. t= 0, t= 50 b. The distance traveled by the automobile in the first 20 s is m (Simplify your answer.)
The velocity of a (fast) automobile on a straight highway is given by the function to the right, where t is measured in seconds and v has units of m/s. 2t if 0st< 15 v(t) = { 30 if 15st< 35 100 - 2t t235 a. Graph the velocity function for 0sts 100. When is the velocity a maximum? When is the velocity zero? b. What is the distance traveled by the automobile in the first 20 s? c. What is the distance traveled by the automobile in the first 50 s? d. What is the position of the automobile when t= 60? ..... When is the velocity zero? A. 15 sts35 B. t= 0 C. t= 50 D. Osts30 E. t= 0, t= 50 b. The distance traveled by the automobile in the first 20 s is m (Simplify your answer.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.6: Solving Quadratic Equations By Using The Quadratic Formula
Problem 64PFA
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Transcribed Image Text:The velocity of a (fast) automobile on a straight highway is given by the function to the
right, where t is measured in seconds and v has units of m/s.
2t
if 0 st< 15
v(t) = { 30
if 15st< 35
100 – 2t t235
a. Graph the velocity function for 0<ts 100. When is the velocity a maximum? When is the velocity zero?
b. What is the distance traveled by the automobile in the first 20 s?
c. What is the distance traveled by the automobile in the first 50 s?
d. What is the position of the automobile whent= 60?
When is the velocity zero?
A. 15 <ts 35
O B. t=0
C. t= 50
D. Osts30
E. t= 0, t= 50
b. The distance traveled by the automobile in the first 20 s is
m.
(Simplify your answer.)
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