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线性建模・建立方程基础

The number y is 84 less than the number x. Which equation represents the relationship between x and y?
原库参考解析
Bluebook试题1 · 原库模块 2 · Q5作答 ↗
线性建模・建立方程挑战

For groups of 25 or more people, a museum charges $21 per person for the first 25 people and $14 for each additional person. Which function f gives the total charge, in dollars, for a tour group with n people, where n ≥ 25?
原库参考解析
Bluebook试题1 · 原库模块 3 · Q21作答 ↗
线性建模・建立方程基础

3 more than 8 times a number x is equal to 83.Which equation represents this situation?
原库参考解析
Bluebook试题2 · 原库模块 2 · Q10作答 ↗
线性建模・建立方程基础

For a training program, Juan rides his bike at an average rate of 5.7 minutes per mile. Which function m models the number of minutes it will take Juan to ride x miles at this rate?
原库参考解析
Bluebook试题2 · 原库模块 2 · Q7作答 ↗
线性建模・建立方程基础

Nasir bought 9 storage bins that were each the same price.He used a coupon for $63 off the entire purchase. The cost for the entire purchase after using the coupon was $27.What was the original price, in dollars, for 1 storage bin?
原库参考解析
Bluebook试题2 · 原库模块 2 · Q8作答 ↗
线性建模・建立方程基础

Sean rents a tent at a cost of $11 per day plus a onetime insurance fee of $10. Which equation represents the total cost c, in dollars, to rent the tent with insurance for d days?
原库参考解析
Bluebook试题3 · 原库模块 2 · Q8作答 ↗
线性建模・建立方程挑战

A window repair specialist charges $220 for the first two hours of repair plus an hourly fee for each additional hour. The total cost for 5 hours of repair is $400. Which function f gives the total cost, in dollars, for x hours of repair, where x ≥ 2?
原库参考解析
Bluebook试题3 · 原库模块 3 · Q21作答 ↗
线性建模・建立方程挑战

A machine makes large boxes or small boxes, one at a time, for a total of 700 minutes each day. It takes the machine 10 minutes to make a large box or 5 minutes to make a small box. Which equation represents the possible number of large boxes, x, and small boxes, y, the machine can make each day?
原库参考解析
Bluebook试题4 · 原库模块 3 · Q2作答 ↗
线性建模・建立方程进阶

A veterinarian recommends that each day a certain rabbit should eat 25 calories per pound of the rabbit's weight, plus an additional 11 calories. Which equation represents this situation, where c is the total number of calories the veterinarian recommends the rabbit should eat each day if the rabbit's weight is x pounds?
原库参考解析
Bluebook试题5 · 原库模块 1 · Q1作答 ↗
线性建模・建立方程进阶

f(x)=14+4x
The function f represents the total cost, in dollars, of attending an arcade when x games are played. How many games can be played for a total cost of $58?

原库参考解析
Bluebook试题5 · 原库模块 1 · Q4作答 ↗
线性建模・建立方程挑战

A manager is responsible for ordering supplies for a shaved ice shop. The shop's inventory starts with 4,500 paper cups, and the manager estimates that 70 of these paper cups are used each day. Based on this estimate, in how many days will the supply of paper cups reach 1,700?
原库参考解析
Bluebook试题6 · 原库模块 2 · Q1作答 ↗
线性建模・建立方程挑战


题目图表
The table shows the linear relationship between the number of cars, c, on a commuter train and the maximum number of passengers and crew, p, that the train can carry. Which equation represents the linear relationship between c and p?
原库参考解析
Bluebook试题6 · 原库模块 2 · Q8作答 ↗