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Graph A and Graph B both show the distance driven by a fleet of company cars (in thousands of kilometers) during the months from January to July. (Both graphs show exactly the same data.) 45. 40. 35- 30- 25. 20. 15. 10. 5. Graph A Distance driven (in thousands of kilometers) Jan Feb Mar Apr May Jun Jul 45 44 43 42 41 Graph B Distance driven (in thousands of kilometers) Jan Feb Mar Apr May Jun Jul (a) Give a rough estimate of the change in monthly distance driven from January to July. (Choose the best answer.) It increased by a factor of 10, so in July the number of kilometers driven was 10 times what it was in January. ○ It decreased by a factor of 10, so in July the number of kilometers driven was only - 100 It more than doubled. It increased by about 10%. of what it was in January. (b) Approximate to the nearest whole number (in thousands of kilometers) the change in the monthly distance driven from January to July. thousand kilometers

Graph A and Graph B both show the distance driven by a fleet of company cars (in thousands of kilometers) during the months from January to July. (Both graphs show exactly the same data.) 45. 40. 35- 30- 25. 20. 15. 10. 5. Graph A Distance driven (in thousands of kilometers) Jan Feb Mar Apr May Jun Jul 45 44 43 42 41 Graph B Distance driven (in thousands of kilometers) Jan Feb Mar Apr May Jun Jul (a) Give a rough estimate of the change in monthly distance driven from January to July. (Choose the best answer.) It increased by a factor of 10, so in July the number of kilometers driven was 10 times what it was in January. ○ It decreased by a factor of 10, so in July the number of kilometers driven was only - 100 It more than doubled. It increased by about 10%. of what it was in January. (b) Approximate to the nearest whole number (in thousands of kilometers) the change in the monthly distance driven from January to July. thousand kilometers

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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question a and b is in photo c is typed 

(c)Which of the two graphs is more likely to be misleading? Why? (Choose the best answer.)
 
 In Graph A, the differences between the numbers of kilometers driven are exaggerated. In Graph B, the heights of the bars have the same relative size as the actual numbers of kilometers driven. Therefore, Graph B could mislead a person into thinking that the increase in the number of kilometers driven between January and July was smaller than it really was.
 
 In Graph A, the baseline is at 
0
, so the heights of the bars have the same relative size as the actual numbers of kilometers driven. In Graph B, the baseline is at 
40
 instead of 
0
, which exaggerates the differences between the numbers of kilometers driven. Therefore, Graph B could mislead a person into thinking that the increase in the number of kilometers driven between January and July was larger than it really was.
 
 In Graph A, the heights of the bars look very different, suggesting that there was a dramatic increase in the number of kilometers driven. In Graph B, the heights of the bars are visually similar, which suggests there was a relatively small increase in the number of kilometers driven. Therefore, Graph A could mislead a person into thinking that the increase in the number of kilometers driven between January and July was larger than it really was.
 
 In Graph A, the heights of the bars are visually similar, which suggests there was a relatively small increase in the number of kilometers driven. In Graph B, the heights of the bars look very different, suggesting that there was a dramatic increase in the number of kilometers driven. Therefore, Graph A could mislead a person into thinking that the increase in the number of kilometers driven between January and July was smaller than it really was.
Graph A and Graph B both show the distance driven by a fleet of company cars (in thousands of kilometers) during the months from January to July. (Both graphs show exactly the same data.) 45. 40. 35- 30- 25. 20. 15. 10. 5. Graph A Distance driven (in thousands of kilometers) Jan Feb Mar Apr May Jun Jul 45 44 43 42 41 Graph B Distance driven (in thousands of kilometers) Jan Feb Mar Apr May Jun Jul
Transcribed Image Text:Graph A and Graph B both show the distance driven by a fleet of company cars (in thousands of kilometers) during the months from January to July. (Both graphs show exactly the same data.) 45. 40. 35- 30- 25. 20. 15. 10. 5. Graph A Distance driven (in thousands of kilometers) Jan Feb Mar Apr May Jun Jul 45 44 43 42 41 Graph B Distance driven (in thousands of kilometers) Jan Feb Mar Apr May Jun Jul
(a) Give a rough estimate of the change in monthly distance driven from January to July. (Choose the best answer.) It increased by a factor of 10, so in July the number of kilometers driven was 10 times what it was in January. ○ It decreased by a factor of 10, so in July the number of kilometers driven was only - 100 It more than doubled. It increased by about 10%. of what it was in January. (b) Approximate to the nearest whole number (in thousands of kilometers) the change in the monthly distance driven from January to July. thousand kilometers
Transcribed Image Text:(a) Give a rough estimate of the change in monthly distance driven from January to July. (Choose the best answer.) It increased by a factor of 10, so in July the number of kilometers driven was 10 times what it was in January. ○ It decreased by a factor of 10, so in July the number of kilometers driven was only - 100 It more than doubled. It increased by about 10%. of what it was in January. (b) Approximate to the nearest whole number (in thousands of kilometers) the change in the monthly distance driven from January to July. thousand kilometers
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