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 = 21x2 + 862x + 15,552 models the average cost of tuition and fees, T, at private U.S. colleges for the school year ending x 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 2012. b. By how much does the formula underestimate or overestimate the actual cost shown by the graph for the school year ending in 2012? c. Use the formula to project the average cost of tuition and fees at private U.S. colleges for the school year ending in 2022.
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 = 21x2 + 862x + 15,552 models the average cost of tuition and fees, T, at private U.S. colleges for the school year ending x 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 2012. b. By how much does the formula underestimate or overestimate the actual cost shown by the graph for the school year ending in 2012? c. Use the formula to project the average cost of tuition and fees at private U.S. colleges for the school year ending in 2022.
Solution Summary: The author analyzes how the model underestimates the value of the tuition fee.
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 = 21x2 + 862x + 15,552
models the average cost of tuition and fees, T, at private U.S. colleges for the school year ending x 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 2012.
b. By how much does the formula underestimate or overestimate the actual cost shown by the graph for the school year ending in 2012?
c. Use the formula to project the average cost of tuition and fees at private U.S. colleges for the school year ending in 2022.
Use Pascal's triangle to expand the binomial
(6m+2)^2
Listen
A falling object travels a distance given by the formula d = 6t + 9t2 where d is in feet
and t is the time in seconds. How many seconds will it take for the object to travel
112 feet? Round answer to 2 decimal places. (Write the number, not the units).
Your Answer:
Solve by the quadratic formula or completing the square to obtain exact solutions.
2
e
104
OA) -16±3√6
B) 8±√10
O c) -8±√10
OD) 8±3√√6
U
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