The bar graph shows the average cost of tuition and fees at private four-year colleges in the United States Source: The College Board The formula T = 21 x 2 + 862 x + 15 , 552 models the average cost of tuition and fees, T, at private U.S. colleges for the school year ending t years after 2000. Use this information to solve Exercises 131 132. a. Use the formula to find the average cost of tuition and fees at private U.S. colleges for the school year ending in 2014. b. By how much docs the formula underestimate or overestimate the actual cost shown by the graph for the school year ending in 2014? c. Use the formula to project the average cost of tuition and fees at private U.S. colleges for the school year ending in 2020.
The bar graph shows the average cost of tuition and fees at private four-year colleges in the United States Source: The College Board The formula T = 21 x 2 + 862 x + 15 , 552 models the average cost of tuition and fees, T, at private U.S. colleges for the school year ending t years after 2000. Use this information to solve Exercises 131 132. a. Use the formula to find the average cost of tuition and fees at private U.S. colleges for the school year ending in 2014. b. By how much docs the formula underestimate or overestimate the actual cost shown by the graph for the school year ending in 2014? c. Use the formula to project the average cost of tuition and fees at private U.S. colleges for the school year ending in 2020.
The bar graph shows the average cost of tuition and fees at private four-year colleges in the United States
Source: The College Board
The formula
T
=
21
x
2
+
862
x
+
15
,
552
models the average cost of tuition and fees, T, at private U.S. colleges for the school year ending t years after 2000. Use this information to solve Exercises 131 132.
a. Use the formula to find the average cost of tuition and fees at private U.S. colleges for the school year ending in 2014.
b. By how much docs the formula underestimate or overestimate the actual cost shown by the graph for the school year ending in 2014?
c. Use the formula to project the average cost of tuition and fees at private U.S. colleges for the school year ending in 2020.
The bar graph shows the average dormitory charges at public and private four-year U.S. colleges. Use the information displayed by the graph to solve,a. Use the numbers shown by the bar graph to find the total dormitory charges at private colleges for a four-year period from the school year ending in 2010 through the school year ending in 2013.
b. The model an = 198n + 5037 describes the dormitory charges at private colleges in academic year n, where n = 1 corresponds to the school year ending in 2010, n = 2 to the school year ending in 2011, and so on. Use this model and the formula for Sn to find the total dormitory charges at private colleges for a four-year period from the school year ending in 2010 through the school year ending in 2013. How does this compare with the actual sum you obtained in part (a)?
Forensic scientists use the lengths of certain bones to calculate the height of a person. When the femur (f), the bone
from the knee to the hip socket is used, the following formula applies for men: h=69.09 +2.24f, where h is the height
in centimeters and f is the length of the femur, in centimeters. Find the height of a man with a femur measuring 55
centimeters.
A. 3923.15 cm
B. 6.29 cm
OC. 124.09 cm
OD. 192.29 cm
The rectangular plot of land shown in the figure is to be fenced along three sides using 39 feet of fencing. No fencing is to be placed along the river’s edge. The area of the plot is 180 square feet. What are its dimensions?
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