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A company uses the given quadratic function to model its profits, in thousands of dollars, where x is the number of years since 2006.
f(x) = -18x² + 202.61x + 1282.46 Based on the model, what is f(14) in thousands of dollars?
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A descending hot air balloon moves downward at a steady rate. The altitude, in feet, of the hot air balloon x minutes after it begins the descent can be modeled by the given expression:
-375x + 1500 What does the -375 in the expression represent in this context? A.) the rate of descent of the hot air balloon B.) the altitude of the hot air balloon after x minutes C.) the total descent of the hot air balloon after x minutes D.) the altitude of the hot air balloon before it begins descending
A company makes rectangular tablet screens. The company’s new model will have the following properties:
Create an equation that can be used to find the height, x, in centimeters, of the new model’s screen.
Madison bought b pounds of bananas and p pounds of pears and spent a total of $10.38. The price of
bananas is $0.60 per pound. The price of pears is $1.74 per pound. Create an equation that models the total amount of money that Madison spends on fruit.
Sam ran a distance represented by the expression 2x + 12. Lee ran a distance represented by the expression 6x + 36. Which describes how the distance that Lee ran compares to the distance that Sam ran?
A.) The distance that Lee ran is 2 times the distance that Sam ran B.) The distance that Lee ran is 3 times the distance that Sam ran C.) The distance that Lee ran is 4 times the distance that Sam ran D.) The distance that Lee ran is 6 times the distance that Sam ran
A concert hall is in the shape of a rectangle. Its floor has a length of (x + 6) meters and a width of (2x - 3) meters. Which of the following simplified expressions represents the area of the floor?
A.) 2x² + 9x - 18 B.) 2x² + 15x - 18 C.) x² + 5x - 18 D.) x² + 9x + 18
The total cost (c) in dollars of renting a sailboat for n days is given by the equation
c = 120 + 60n If the total cost was $360, for how many days was the sailboat rented?
Which of the following represents the linear equation 2x = y + 3 in slope-intercept form?
A.) 2x + y = 3 B.) 2x - y = 3 C.) y = 2x - 3 D.) y = 2x + 3 |
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