5272道题目5525 条题源记录 · 相同内容已合并
线性建模・解释与预测进阶
The distance d, in feet, from the ground to a flag on a flagpole t seconds after a person begins lowering it is given by the function \( d(t)=26-4t \). In this context, what does 26 represent?
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线性建模・解释与预测挑战
The graph of the function \( f \), where \( y=f(x), \) gives the total cost y, in dollars, for a certain video game system and x games. What is the best interpretation of the slope of the graph in this context?
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线性建模・解释与预测挑战
\( F(x)=\frac{9}{5}(x-273.15)+32 \)
The function F gives the temperature, in degrees Fahrenheit, that corresponds to a temperature of x kelvins. If a temperature increased by 6.50 kelvins, by how much did the temperature increase, in degrees Fahrenheit?
The function F gives the temperature, in degrees Fahrenheit, that corresponds to a temperature of x kelvins. If a temperature increased by 6.50 kelvins, by how much did the temperature increase, in degrees Fahrenheit?
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线性建模・解释与预测基础
A jar is used to store marbles. The function \( f(x)=5x+270 \) gives the total mass, in grams, of the jar and the marbles inside, where x is the number of marbles in the jar. Which of the following is the best interpretation of \( f(0)=270 \) in this context?
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线性建模・解释与预测基础
The graph shown models the number of residents of a certain city x years after 2010. How many residents does this model estimate the city had in 2010?
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线性建模・解释与预测挑战
\( F(x)=\frac{9}{5}(x-273.15)+32 \)
The function F gives the temperature, in degrees Fahrenheit, that corresponds to a temperature of x kelvins. If a temperature increased by 8.40 kelvins, by how much did the temperature increase, in degrees Fahrenheit?
The function F gives the temperature, in degrees Fahrenheit, that corresponds to a temperature of x kelvins. If a temperature increased by 8.40 kelvins, by how much did the temperature increase, in degrees Fahrenheit?
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线性建模・解释与预测基础
The graph shown models the number of residents of a certain city x years after 2010. How many residents does this model estimate the city had in 2010?
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线性建模・解释与预测基础
The equation \( y=73x \) gives the estimated distance y, in kilometers, that a car traveled x hours after exiting a parking garage. What is the estimated distance, in kilometers, the car traveled 2 hours after exiting the parking garage?
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线性建模・解释与预测进阶
The graph in the xy-plane models the possible combinations of length x, in meters (m), and width y, in meters, for a rectangle with a perimeter of 24 m.
Which statement is the best interpretation of the point (10, 2) in this context?
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线性建模・解释与预测挑战
Kai used fabric measuring 4 yards in length to make each costume for a school play. The relationship between the number of costumes that Kai made, x, and the total length of fabric that he purchased y, in yards, is represented by the equation \( y-4x=3 \). What is the best interpretation of 3 in this context?
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线性建模・解释与预测进阶
Sarah used wax to make candles. The function \( f(x)=-4x+16 \) approximates the weight, in ounces, of wax Sarah had remaining after making x candles. Which statement is the best interpretation of the y-intercept of the graph of \( y=f(x) \) in the xy-plane in this context?
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线性建模・解释与预测挑战
An office administrator spent a total of $161 to purchase x meals and y drinks for an office lunch. The equation \( 5x+3y=161 \) represents this situation. What is the best interpretation of 3y in this context?
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