
Concept explainers
(a)
To find: the slope and y-intercept of the given linear function.
(a)

Answer to Problem 5RE
Slope
Explanation of Solution
Given:
Calculation:
The slope intercept form of a line is
Where the slope of the line is
And
Compare the function
Slope
Conclusion:
Therefore, the slope
(b)
To find: the average rate of change of the given function
(b)

Answer to Problem 5RE
The rate of change is 0
Explanation of Solution
Calculation:
For calculating average rate of change of function
Let
So second point in
Now as rate of change
Here
So rate of change
Conclusion:
Therefore, the rate of change is 0
(c)
To graph: the given function.
(c)

Answer to Problem 5RE
Explanation of Solution
Calculation:
The line joining two points (0.4) and (1,4) is shown below where there is no
Conclusion:
Thus, the given function is drawn.
(d)
whether the function is increasing decreasing or constant.
(d)

Answer to Problem 5RE
The function is Constant in the interval
Explanation of Solution
Calculation:
As the slope of the function
Thus function is Constant in the interval
Conclusion:
Thus function is Constant in the interval
Chapter 3 Solutions
Precalculus
Additional Math Textbook Solutions
Thinking Mathematically (6th Edition)
Pre-Algebra Student Edition
Calculus: Early Transcendentals (2nd Edition)
A First Course in Probability (10th Edition)
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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