Questions from College Mathematics


Q: The fundamental theorem of calculus can be proved by showing that,

The fundamental theorem of calculus can be proved by showing that, for every positive integer n, there is a Riemann sum for f on [a, b] that is equal to F(b) – F(a). By the mean valu...

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Q: Referring to Problem 69, compute the increase in cost going from

Referring to Problem 69, compute the increase in cost going from a production level of 0 bikes per month to 600 bikes per month. Set up a definite integral and evaluate it. Data from Problem 69: A co...

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Q: Maintenance costs for an apartment house generally increase as the building gets

Maintenance costs for an apartment house generally increase as the building gets older. From past records, the rate of increase in maintenance costs (in dollars per year) for a particular apartment co...

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Q: Refer to Problem 73. (A) Find a cubic

Refer to Problem 73. (A) Find a cubic regression equation for the data, and graph it and the data set in the same viewing window. (B) Use the regression equation and a numerical integration routine...

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Q: The total accumulated costs C1t2 and revenues R1t2 (in thousands of

The total accumulated costs C1t2 and revenues R1t2 (in thousands of dollars), respectively, for a coal mine satisfy C′(t) = 3 and R′(t) = 15e-0.1t where t is the number of years that the mine has b...

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Q: The total cost (in dollars) of printing x dictionaries is

The total cost (in dollars) of printing x dictionaries is C(x) = 20,000 + 10x. (A) Find the average cost per unit if 1,000 dictionaries are produced. (B) Find the average value of the cost function...

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Q: The rate at which the total amount of money put into an

The rate at which the total amount of money put into an advertising campaign is changing is given by A′(t) where t is the number of days since the campaign began. What does represe...

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Q: Show that S = [x 1 - x 0 0],

Show that S = [x 1 - x 0 0], 0 ≤ x ≤ 1, is a stationary matrix for the transition matrix Discuss the generalization of this result to any absorbing Ma...

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Q: Given the demand function / find the average price

Given the demand function find the average price (in dollars) over the demand interval [400, 600].

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Q: If the rate of labor use in Problem 83 is /

If the rate of labor use in Problem 83 is then approximately how many labor-hours will be required to assemble the 9th through the 27th control units? [Hint: Let a = 8 and b = 27.]

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