Exam 13: A: Definite Integrals - Techniques

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Consider the following supply and demand schedules, with p in dollars and x as the number of units. Consider the following supply and demand schedules, with p in dollars and x as the number of units.   Use Simpson's Rule to approximate the producer's surplus at market equilibrium to 2 decimal places. Note that market equilibrium can be found from the tables. ​ Use Simpson's Rule to approximate the producer's surplus at market equilibrium to 2 decimal places. Note that market equilibrium can be found from the tables. ​

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A

A transmission repair firm that wants to offer a lifetime warranty on its repairs has determined that the probability density function for transmission failure after repair is A transmission repair firm that wants to offer a lifetime warranty on its repairs has determined that the probability density function for transmission failure after repair is   , where t is the number of months after repair. What is the probability that a transmission chosen at random will last more than 4 months? Round to 3 decimal places. ​ , where t is the number of months after repair. What is the probability that a transmission chosen at random will last more than 4 months? Round to 3 decimal places. ​

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Use integration by parts to evaluate the integral Use integration by parts to evaluate the integral   ​

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Evaluate the improper integral if it converges, or state that it diverges. ​ Evaluate the improper integral if it converges, or state that it diverges. ​   ​

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A continuous income stream has an annual rate of flow at time t given by A continuous income stream has an annual rate of flow at time t given by   (dollars per year). Find the present value of this income stream for the next 9 years, if the money is worth 4% compounded continuously. Round to the nearest dollar. ​ (dollars per year). Find the present value of this income stream for the next 9 years, if the money is worth 4% compounded continuously. Round to the nearest dollar. ​

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With the data for selected years from 1920 to 2007, the life span of individuals in a country can be modeled by With the data for selected years from 1920 to 2007, the life span of individuals in a country can be modeled by   where x = 0 represents 1900. Find the predicted average life span from 2040 to 2055. Round your answer to the nearest year. ​ where x = 0 represents 1900. Find the predicted average life span from 2040 to 2055. Round your answer to the nearest year. ​

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For the interval [3,15] and n = 4, find the values of For the interval [3,15] and n = 4, find the values of   ​

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Assume that the tax burden per capita (in dollars) for selected years from 1950 to 2002 can be modeled by Assume that the tax burden per capita (in dollars) for selected years from 1950 to 2002 can be modeled by   where   represents 1950. If the model remains valid, find the predicted average federal tax burden per capita from 2000 to 2010. Round your answer to the nearest dollar. ​ where Assume that the tax burden per capita (in dollars) for selected years from 1950 to 2002 can be modeled by   where   represents 1950. If the model remains valid, find the predicted average federal tax burden per capita from 2000 to 2010. Round your answer to the nearest dollar. ​ represents 1950. If the model remains valid, find the predicted average federal tax burden per capita from 2000 to 2010. Round your answer to the nearest dollar. ​

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Evaluate the integral Evaluate the integral   . ​ . ​

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Evaluate the definite integral Evaluate the definite integral   . ​ . ​

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The cost of producing x units of a certain item is The cost of producing x units of a certain item is   Find the average value of the cost function C(x) over the interval from 0 to 1,000. Round answer to nearest penny. ​ Find the average value of the cost function C(x) over the interval from 0 to 1,000. Round answer to nearest penny. ​

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Evaluate the improper integral if it converges, or state that it diverges. ​ Evaluate the improper integral if it converges, or state that it diverges. ​

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Find the area of the shaded region. ​ Find the area of the shaded region. ​   ​

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In an effort to make the distribution of income more nearly equal, the government of a country passes a tax law that changes the Lorenz curve from In an effort to make the distribution of income more nearly equal, the government of a country passes a tax law that changes the Lorenz curve from   for 2004 to   for 2005. Find the Gini coefficient of income for both years. Round your answer to six decimal places. ​ for 2004 to In an effort to make the distribution of income more nearly equal, the government of a country passes a tax law that changes the Lorenz curve from   for 2004 to   for 2005. Find the Gini coefficient of income for both years. Round your answer to six decimal places. ​ for 2005. Find the Gini coefficient of income for both years. Round your answer to six decimal places. ​

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The demand function for a product is The demand function for a product is   and the supply function is   , where p is the number of dollars and x is the number of units. Find the consumer's surplus there. Round to the nearest cent. ​ and the supply function is The demand function for a product is   and the supply function is   , where p is the number of dollars and x is the number of units. Find the consumer's surplus there. Round to the nearest cent. ​ , where p is the number of dollars and x is the number of units. Find the consumer's surplus there. Round to the nearest cent. ​

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If the supply function for x units of a commodity is If the supply function for x units of a commodity is   dollars, what is the producer's surplus at   ? Round your answer to two decimal places. ​ dollars, what is the producer's surplus at If the supply function for x units of a commodity is   dollars, what is the producer's surplus at   ? Round your answer to two decimal places. ​ ? Round your answer to two decimal places. ​

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Determine the most appropriate method or integral formula for evaluating the given integral. Next, evaluate the integral. ​ I. Integration by parts II. Determine the most appropriate method or integral formula for evaluating the given integral. Next, evaluate the integral. ​ I. Integration by parts  II.   III.   IV.    III. Determine the most appropriate method or integral formula for evaluating the given integral. Next, evaluate the integral. ​ I. Integration by parts  II.   III.   IV.    IV. Determine the most appropriate method or integral formula for evaluating the given integral. Next, evaluate the integral. ​ I. Integration by parts  II.   III.   IV.    Determine the most appropriate method or integral formula for evaluating the given integral. Next, evaluate the integral. ​ I. Integration by parts  II.   III.   IV.

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Evaluate the definite integral Evaluate the definite integral   . ​ . ​

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The demand function for a product is The demand function for a product is   , where p is the number of dollars and x is the number of units. If the equilibrium price is $40, what is the consumer's surplus? ​ , where p is the number of dollars and x is the number of units. If the equilibrium price is $40, what is the consumer's surplus? ​

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Find the area between the curve Find the area between the curve   and the x-axis from   to   . ​ and the x-axis from Find the area between the curve   and the x-axis from   to   . ​ to Find the area between the curve   and the x-axis from   to   . ​ . ​

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