The bar graph shows the estimated number of calories per day needed to maintain energy balance for various gender and age groups for sedentary lifestyles. (Sedentary means a lifestyle that includes only the light physical activity associated with typical day-to-day life.) The mathematical model F= - 83x? + 654x + 617 describes the number of calories needed per day, F, by females in age group x with sedentary lifestyles. According to the model, how many calories per day are needed by females between the ages of 19 and 30, inclusive, with this lifestyle? Does this underestimate or overestimate the number shown by the graph? By how much? Calories Needed to Maintain Energy Balance for Sedentary Lifestyles 3200-Females Males Group 2 Group 4 Group 5 2404 Group 3 Group 6 2400- 2209 16721803 1912 1392 2193 1828 1993 1732 1600 1480 113 800- 0- 4-8 9-13 14-18 19-30 31-50 51+ Age Range ...... According to the model, how many calories per day are needed by females between the ages of 19 and 30, inclusive, with this lifestyle? Calories per Day

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
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The bar graph shows the estimated number of calories per day needed to maintain energy balance for
various gender and age groups for sedentary lifestyles. (Sedentary means a lifestyle that includes only the
light physical activity associated with typical day-to-day life.) The mathematical model
F= - 83x2 + 654x + 617 describes the number of calories needed per day, F, by females in age group x with
sedentary lifestyles. According to the model, how many calories per day are needed by females between the
ages of 19 and 30, inclusive, with this lifestyle? Does this underestimate or overestimate the number shown
by the graph? By how much?
Calories Needed to Maintain Energy Balance for Sedentary Lifestyles
3200-Females
Group 4
2404
Group 3
2193
1828
Males
Group
5
Group 6
Group 2
2209
2400-
Group 116721803 1912–
1600.1392
1993
1732
| 1480
13
800-
4-8
9-13
14-18
19-30
31-50
51+
Age Range
According to the model, how many calories per day are needed by females between the ages of 19 and 30, inclusive, with this lifestyle?
(Type a whole number.)
Calories per Day
Transcribed Image Text:The bar graph shows the estimated number of calories per day needed to maintain energy balance for various gender and age groups for sedentary lifestyles. (Sedentary means a lifestyle that includes only the light physical activity associated with typical day-to-day life.) The mathematical model F= - 83x2 + 654x + 617 describes the number of calories needed per day, F, by females in age group x with sedentary lifestyles. According to the model, how many calories per day are needed by females between the ages of 19 and 30, inclusive, with this lifestyle? Does this underestimate or overestimate the number shown by the graph? By how much? Calories Needed to Maintain Energy Balance for Sedentary Lifestyles 3200-Females Group 4 2404 Group 3 2193 1828 Males Group 5 Group 6 Group 2 2209 2400- Group 116721803 1912– 1600.1392 1993 1732 | 1480 13 800- 4-8 9-13 14-18 19-30 31-50 51+ Age Range According to the model, how many calories per day are needed by females between the ages of 19 and 30, inclusive, with this lifestyle? (Type a whole number.) Calories per Day
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