5272道题目5525 条题源记录 · 相同内容已合并
线性建模・解释与预测挑战
A school swim team sold shirts to raise money.The team raised $13 from each short-sleeved shirt sold and raised $15 from each long-sleeved shirt sold. The team raised a total of $474 from the sale of these shirts. The equation 13x + 15y = 474 represents this situation. Which of the following is the best interpretation of y in this context?
原库参考解析
线性建模・解释与预测挑战
w(t)=600-3t
The function w models the volume of water, in milliliters, in a container t seconds after it begins draining from a hole at the bottom, According to the model, what is the predicted volume, in milliliters, draining from the container each second?
原库参考解析
线性建模・解释与预测挑战
A linear model estimates the population of a city from 1992 to 2016. The model estimates the population was 56 thousand in 1992, 218 thousand in 2012, and x thousand in 2016. To the nearest whole number, what is the value of x?
原库参考解析
线性建模・解释与预测挑战
w(t)= 600- 3t
The function w models the volume of water, in milliliters, in a container t seconds after it begins draining from a hole at the bottom. According to the model, what is the predicted volume, in milliliters, draining from the container each second?
原库参考解析
线性建模・解释与预测进阶
w(t) = 750 − 5t
The function w models the volume of water, in milliliters, in a container t seconds after it begins draining from a hole at the bottom. According to the model, what is the predicted volume, in milliliters, draining from the container each second?
原库参考解析
线性建模・解释与预测进阶

The graph models the number of online newsletter subscribers at the end of every six-month period, where x is the number of six-month periods since the end of January 1991 and 0 ≤ x ≤4. Which statement is the best interpretation of (1, 600) in this context?
原库参考解析
线性建模・解释与预测进阶
To make a bookcase, a woodworker charged a onetime fee plus $17 per hour worked. The equation 17h+45=164 represents this situation, where h is the number of hours worked. Which of the following is the best interpretation of 164 in this context?
原库参考解析
线性建模・解释与预测进阶
Scientists collected fallen acorns that each housed a colony of the ant species P.ohioensis and analyzed each colony's structure. For any of these colonies, if the colony has x worker ants, the equation y = 0.67x + 2.6, where 20 ≤ x ≤110, gives the predicted number of larvae, y, in the colony. If one of these colonies has 57 worker ants, which of the following is closest to the predicted number of larvae in the colony?
原库参考解析
线性建模・解释与预测进阶
The graph models the number of online newsletter subscribers at the end of every six-month period, where x is the number of six-month periods since the end of January 1993 and 0≤ x ≤4. Which statement is the best interpretation of the point (1,750) in this context?
原库参考解析
线性建模・解释与预测进阶
A bank account was opened with an initial deposit. Over the next several months, regular deposits were made into this account, and there were no withdrawals made during this time. The graph of the function f shown, where y = f(x), estimates the account balance, in dollars, in this bank account x months since the initial deposit. To the nearest whole dollar, what is the amount of the initial deposit estimated by the graph?
原库参考解析
线性建模・解释与预测挑战
W(x)=5x+ 90
The function W gives the total time, in minutes, it takes for a gardener to water x plants and mow the grass. According to the function, how long does it take the gardener to mow the grass, in minutes?
原库参考解析
线性建模・解释与预测进阶
A certain gas is placed inside a container and kept at a constant pressure. The graph showsthe estimated volume y, in liters, of the gas when its temperature is x kelvins.
What is the estimated volume, in liters, of the gas when its temperature is 200 kelvins?
原库参考解析
