a.
To determine from the graph whether the car is moving for the interval
a.
Answer to Problem 41PFA
False
Explanation of Solution
Given:
Graph:
From the graph it can be observed that the car is moving from
Therefore, the interval for which the car is moving is
Conclusion:
Therefore, the given statement is false.
b.
To determine from the graph whether the car maintains a constant speed for the interval
b.
Answer to Problem 41PFA
True
Explanation of Solution
Given:
Graph:
Calculation:
From the graph it can be observed that the speed of the car is
Therefore, the interval for which the car has constant speed is
Conclusion:
Therefore, the given statement is true.
c.
To determine from the graph whether the car started with the speed
c.
Answer to Problem 41PFA
False
Explanation of Solution
Given:
Graph:
Calculation:
From the graph it can be observed that the speed of the car when the car starts is
Therefore, the car did not start with 0mi/h.
Conclusion:
Therefore, the given statement is false.
d.
To determine when the car stops.
d.
Answer to Problem 41PFA
True
Explanation of Solution
Given:
Graph:
The car will stop when the speed of the car becomes 0mi/h.
Therefore, it can be observed from the graph that the speed of the car is 0mi/h after
Conclusion:
Therefore, the given statement is true.
e.
To determine whether the car stop from 2 to 4 minutes.
e.
Answer to Problem 41PFA
False
Explanation of Solution
Given:
Graph:
Concept used:
The car will stop when the speed of the car becomes 0mi/h.
From the graph it can be observed that the speed of the car in the interval
Therefore, the car did not stop in the interval
Conclusion:
Therefore, the given statement is false.
Chapter 3 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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