Concept explainers
(a)
For which time period is the rate of change the greatest
(a)
Answer to Problem 24MCQ
2003-2004 the rate of change in population is greatest.
Explanation of Solution
Given:
The graph shows the population growth in Leesburg, Florida since 2000 .
Concept Used:
The x -intercepts are where the graph crosses the x -axis, and the y -intercepts are where the graph crosses the y -axis.
Then, algebraically,
- an x -intercept is a point on the graph where y is zero, and
- a y -intercept is a point on the graph where x is zero.
More specifically,
- an x -intercept is a point in the equation where the y -value is zero, and
- a y -intercept is a point in the equation where the x -value is zero.
Calculation:
In order to find for which time period is the rate of change the greatest.
The graph clearly shows that in the year of 2003-2004 the rate of change in population is greatest.
(b)
The slope from 2000 to 2006 .
(b)
Answer to Problem 24MCQ
The slope from 2000 to 2006 is
Explanation of Solution
Given:
The pair of points,
Concept Used:
The slope of a line connecting the points
The equation for line is
Calculation:
In order to find the average rate of change the points
Thus, the slope from 2000 to 2006 is
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Algebra 1
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