Exam 13: A: Definite Integrals - Techniques

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Use Simpson's Rule to approximate Use Simpson's Rule to approximate   with n = 6. Round your answer to 3 decimal places. ​ with n = 6. Round your answer to 3 decimal places. ​

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Equations are given whose graphs enclose a region. Find the area of the region. ​ Equations are given whose graphs enclose a region. Find the area of the region. ​

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Use the function Use the function   from   to   and n equal subintervals with the function evaluated at the right-hand endpoints of each subinterval. Find a formula for the sum of the areas of the n rectangles (call this S). ​ from Use the function   from   to   and n equal subintervals with the function evaluated at the right-hand endpoints of each subinterval. Find a formula for the sum of the areas of the n rectangles (call this S). ​ to Use the function   from   to   and n equal subintervals with the function evaluated at the right-hand endpoints of each subinterval. Find a formula for the sum of the areas of the n rectangles (call this S). ​ and n equal subintervals with the function evaluated at the right-hand endpoints of each subinterval. Find a formula for the sum of the areas of the n rectangles (call this S). ​

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Suppose that a printing firm considers the production of its presses as a continuous income stream. If the annual rate of flow at time t is given by Suppose that a printing firm considers the production of its presses as a continuous income stream. If the annual rate of flow at time t is given by   in thousands of dollars per year, and if money is worth 7% compounded continuously, find the present value and future value of the presses over the next 10 years. Round your answer to the nearest dollar. ​ in thousands of dollars per year, and if money is worth 7% compounded continuously, find the present value and future value of the presses over the next 10 years. Round your answer to the nearest dollar. ​

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A 58-year-old couple are considering opening a business of their own. They will either purchase an established Gift and Card Shoppe or open a new Video Rental Palace. The Gift Shoppe has a continuous income stream with an annual rate of flow at time t given by A 58-year-old couple are considering opening a business of their own. They will either purchase an established Gift and Card Shoppe or open a new Video Rental Palace. The Gift Shoppe has a continuous income stream with an annual rate of flow at time t given by   (dollars per year) and the Video Palace has a continuous income stream with a projected annual rate of flow at time t given by   (dollars per year). The initial investment is the same for both businesses, and money is worth 10% compounded continuously. Determine which is the better buy by finding the present value of each business over the next 6 years (until the couple reach age 64). ​ (dollars per year) and the Video Palace has a continuous income stream with a projected annual rate of flow at time t given by A 58-year-old couple are considering opening a business of their own. They will either purchase an established Gift and Card Shoppe or open a new Video Rental Palace. The Gift Shoppe has a continuous income stream with an annual rate of flow at time t given by   (dollars per year) and the Video Palace has a continuous income stream with a projected annual rate of flow at time t given by   (dollars per year). The initial investment is the same for both businesses, and money is worth 10% compounded continuously. Determine which is the better buy by finding the present value of each business over the next 6 years (until the couple reach age 64). ​ (dollars per year). The initial investment is the same for both businesses, and money is worth 10% compounded continuously. Determine which is the better buy by finding the present value of each business over the next 6 years (until the couple reach age 64). ​

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Evaluate the integral Evaluate the integral   . .

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Use formulas or numerical integration with a graphing calculator or computer to evaluate the given definite integral. Round answer to three decimal places. Use formulas or numerical integration with a graphing calculator or computer to evaluate the given definite integral. Round answer to three decimal places.   ​ ​ ​ ​

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Use an integral formula to evaluate Use an integral formula to evaluate   . ​ . ​

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Use integration by parts to evaluate Use integration by parts to evaluate   . Note that evaluation may require integration by parts more than once. ​ . Note that evaluation may require integration by parts more than once. ​

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Use the function Use the function   from x = 0 to x = 1 and n equal subintervals with the function evaluated at the left-hand endpoints of each subinterval. Find a formula for the sum of the areas of the n rectangles (call this S). ​ from x = 0 to x = 1 and n equal subintervals with the function evaluated at the left-hand endpoints of each subinterval. Find a formula for the sum of the areas of the n rectangles (call this S). ​

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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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Evaluate Evaluate   . ​ . ​

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The demand function for a product is The demand function for a product is   , and the supply function for it is   , where p is the number of dollars and x is the number of units. If the equilibrium price is $248 what is the producer's surplus at the equilibrium price? Round to the nearest cent. ​ , and the supply function for it is The demand function for a product is   , and the supply function for it is   , where p is the number of dollars and x is the number of units. If the equilibrium price is $248 what is the producer's surplus at the equilibrium price? Round to the nearest cent. ​ , where p is the number of dollars and x is the number of units. If the equilibrium price is $248 what is the producer's surplus at the equilibrium price? Round to the nearest cent. ​

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Equations are given whose graphs enclose a region. Find the area of the region. ​ Equations are given whose graphs enclose a region. Find the area of the region. ​   ​

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When the area under When the area under   from   to   is approximated, the formulas for the sum of n rectangles using left-hand endpoints and right-hand endpoints are: ​ Left-hand endpoints:   ​ Right-hand endpoints:   ​ Find   ​ from When the area under   from   to   is approximated, the formulas for the sum of n rectangles using left-hand endpoints and right-hand endpoints are: ​ Left-hand endpoints:   ​ Right-hand endpoints:   ​ Find   ​ to When the area under   from   to   is approximated, the formulas for the sum of n rectangles using left-hand endpoints and right-hand endpoints are: ​ Left-hand endpoints:   ​ Right-hand endpoints:   ​ Find   ​ is approximated, the formulas for the sum of n rectangles using left-hand endpoints and right-hand endpoints are: ​ Left-hand endpoints: When the area under   from   to   is approximated, the formulas for the sum of n rectangles using left-hand endpoints and right-hand endpoints are: ​ Left-hand endpoints:   ​ Right-hand endpoints:   ​ Find   ​ ​ Right-hand endpoints: When the area under   from   to   is approximated, the formulas for the sum of n rectangles using left-hand endpoints and right-hand endpoints are: ​ Left-hand endpoints:   ​ Right-hand endpoints:   ​ Find   ​ ​ Find When the area under   from   to   is approximated, the formulas for the sum of n rectangles using left-hand endpoints and right-hand endpoints are: ​ Left-hand endpoints:   ​ Right-hand endpoints:   ​ Find   ​

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Find the value of the sum Find the value of the sum   , if   . ​ , if Find the value of the sum   , if   . ​ . ​

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Use the Trapezoidal Rule to approximate Use the Trapezoidal Rule to approximate   with n = 6. Round your answer to two decimal places. ​ with n = 6. Round your answer to two decimal places. ​

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Use an integral formula to evaluate Use an integral formula to evaluate   . ​ . ​

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

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The rate of depreciation of a building is given by The rate of depreciation of a building is given by   dollars per year,   . Use the definite integral to find the total depreciation over the first 20 years. ​ dollars per year, The rate of depreciation of a building is given by   dollars per year,   . Use the definite integral to find the total depreciation over the first 20 years. ​ . Use the definite integral to find the total depreciation over the first 20 years. ​

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