Concept explainers
Advertising Costs The cost, in thousands of dollars, of airing x television commercials during a Super Bowl game is given by
a. Find the marginal cost function, and use it to estimate how fast the cost is increasing when
b. Find the average cost function
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Chapter 4 Solutions
Applied Calculus
- bThe average rate of change of the linear function f(x)=3x+5 between any two points is ________.arrow_forwardHigh School Graduates The following table shows the number, in millions, graduating from high school in the United States in the given year. Year Number graduating in millions 1985 2.83 1987 2.65 1989 2.47 1991 2.29 a. By calculating difference, show that these data can be modeled using a linear function. b. What is the slope for the linear function modeling high school graduations? Explain in practical terms the meaning of the slope. c. Find a formula for a linear function that models these data. d. Express, using functional notation, the number graduating from high school in 1994, and then use your formula from part c to calculate that value.arrow_forward
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