a.
To graph the given function
a.
Explanation of Solution
Given information:
The function is,
Graph:
Interpretation:
The y- intercept is at (0, 450)
x- interecept is at (-7.5, 0)
b.
To find out what question did the teacher ask.
b.
Answer to Problem 4.2.4P
The teacher asked “what is the y-intercept of the given equation?”, “what is the x-intercept of the given equation?”, and “what is the slope of the given equation?”
Explanation of Solution
Given information:The function is,
J’s answer is “The y-intercept is 450”
S’s answer is “The x-intercept is -7.5”
C’s answer is “60 feet per second”
Concept Used:Graph analysis
Calculation:
Evaluating J’s answer, he tells about y-intercept. Therefore, the teacher has asked him “what is the y-intercept of the given equation?”
Evaluating S’s answer, he tells about x-intercept. Therefore, the teacher has asked him “what is the x-intercept of the given equation?”
Evaluating C’s answer, he tells about rate of change. Therefore, the teacher has asked him “what is the slope of the given equation?”
Conclusion:
The teacher asked “what is the y-intercept of the given equation?”, “what is the x-intercept of the given equation?”, and “what is the slope of the given equation?”
Chapter ISG Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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