Exam 10: Derivatives

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Find the derivative of the given function. Simplify and express the answer using positive exponents only. ​ Find the derivative of the given function. Simplify and express the answer using positive exponents only. ​   ​ ​

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The monthly output of a certain product is The monthly output of a certain product is   where x is the capital investment in millions of dollars. Find   which can be used to estimate the effect on the output if an additional capital investment of $1 million is made. ​ where x is the capital investment in millions of dollars. Find The monthly output of a certain product is   where x is the capital investment in millions of dollars. Find   which can be used to estimate the effect on the output if an additional capital investment of $1 million is made. ​ which can be used to estimate the effect on the output if an additional capital investment of $1 million is made. ​

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A certain calling card costs 6.1 cents per minute to make a call, rounded up to the nearest minute. However, when the card is used at a pay phone, there is an additional 61 cent connection fee. If A certain calling card costs 6.1 cents per minute to make a call, rounded up to the nearest minute. However, when the card is used at a pay phone, there is an additional 61 cent connection fee. If   is the charge from a pay phone for a call lasting t minutes, create a table of charges for calls lasting close to 1 minute and use it to find the following limit, if it exists. Round your answer to the nearest cent. ​   ​ is the charge from a pay phone for a call lasting t minutes, create a table of charges for calls lasting close to 1 minute and use it to find the following limit, if it exists. Round your answer to the nearest cent. ​ A certain calling card costs 6.1 cents per minute to make a call, rounded up to the nearest minute. However, when the card is used at a pay phone, there is an additional 61 cent connection fee. If   is the charge from a pay phone for a call lasting t minutes, create a table of charges for calls lasting close to 1 minute and use it to find the following limit, if it exists. Round your answer to the nearest cent. ​   ​ ​

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McRobert's TV Shop sells 400 sets per month, at a price of $600 per unit. Market research indicates that the shop can sell one additional set for each $1 it reduces the price. The total revenue (in dollars) is given by McRobert's TV Shop sells 400 sets per month, at a price of $600 per unit. Market research indicates that the shop can sell one additional set for each $1 it reduces the price. The total revenue (in dollars) is given by   , where x is the number of additional sets beyond the original 400. What is the marginal revenue if 300 more units are sold? ​ , where x is the number of additional sets beyond the original 400. What is the marginal revenue if 300 more units are sold? ​

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The tangent line to the graph of f (x) at The tangent line to the graph of f (x) at   is shown. On the tangent line, P is the point of tangency and A is another point on the line. Use the coordinates of P and A to find the slope of the tangent line. ​   ​ is shown. On the tangent line, P is the point of tangency and A is another point on the line. Use the coordinates of P and A to find the slope of the tangent line. ​ The tangent line to the graph of f (x) at   is shown. On the tangent line, P is the point of tangency and A is another point on the line. Use the coordinates of P and A to find the slope of the tangent line. ​   ​ ​

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If the national consumption function is given by If the national consumption function is given by   find the marginal propensity to consume,   . ​ find the marginal propensity to consume, If the national consumption function is given by   find the marginal propensity to consume,   . ​ . ​

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For the given function, find the average rate of change over the specified interval. ​ For the given function, find the average rate of change over the specified interval. ​   over   ​ over For the given function, find the average rate of change over the specified interval. ​   over   ​ ​

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Find the derivative of the given function. Simplify and express the answer using positive exponents only. ​ Find the derivative of the given function. Simplify and express the answer using positive exponents only. ​   ​ ​

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Use the graph of Use the graph of   and the given c-value to find   . ​   ​   ​ and the given c-value to find Use the graph of   and the given c-value to find   . ​   ​   ​ . ​ Use the graph of   and the given c-value to find   . ​   ​   ​ ​ Use the graph of   and the given c-value to find   . ​   ​   ​ ​

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Find the indicated derivative. Find Find the indicated derivative. Find   ​ ​

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The tangent line to the graph of f (x) at The tangent line to the graph of f (x) at   is shown. On the tangent line, P is the point of tangency and A is another point on the line. Find   . ​   ​ is shown. On the tangent line, P is the point of tangency and A is another point on the line. Find The tangent line to the graph of f (x) at   is shown. On the tangent line, P is the point of tangency and A is another point on the line. Find   . ​   ​ . ​ The tangent line to the graph of f (x) at   is shown. On the tangent line, P is the point of tangency and A is another point on the line. Find   . ​   ​ ​

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Find the indicated derivative. ​ Find the indicated derivative. ​   . ​ . ​

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Suppose that the weekly sales volume y (in thousands of units sold) depends on the price per unit of the product according to Suppose that the weekly sales volume y (in thousands of units sold) depends on the price per unit of the product according to   where p is in dollars. What is the rate of change in sales volume when the price is $20? Round your answer to three decimal places. ​ where p is in dollars. What is the rate of change in sales volume when the price is $20? Round your answer to three decimal places. ​

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Find the derivative of the equation Find the derivative of the equation   , but do not simplify your answer. ​ , but do not simplify your answer. ​

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Given the graph of Given the graph of   in the figure, determine all x-values from F, G, H, or I for which the function is continuous. ​   ​ in the figure, determine all x-values from F, G, H, or I for which the function is continuous. ​ Given the graph of   in the figure, determine all x-values from F, G, H, or I for which the function is continuous. ​   ​ ​

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Find the slope of the tangent at Find the slope of the tangent at   ​   ​ ​ Find the slope of the tangent at   ​   ​ ​

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For the function given, find all x-values where the graph of For the function given, find all x-values where the graph of   is rising. ​   ​ is rising. ​ For the function given, find all x-values where the graph of   is rising. ​   ​ ​

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For the given function, find the slope of the tangent line at For the given function, find the slope of the tangent line at   . ​   ​ . ​ For the given function, find the slope of the tangent line at   . ​   ​ ​

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Ballistics experts are able to identify the weapon that fired a certain bullet by studying the markings on the bullet. Tests are conducted by firing into a bale of paper. Suppose the distance s, in inches, that the bullet travels into the paper is given by Ballistics experts are able to identify the weapon that fired a certain bullet by studying the markings on the bullet. Tests are conducted by firing into a bale of paper. Suppose the distance s, in inches, that the bullet travels into the paper is given by   for   second, find the velocity of the bullet one-tenth of a second after it hits the paper. Round your answer to two decimal places. ​ for Ballistics experts are able to identify the weapon that fired a certain bullet by studying the markings on the bullet. Tests are conducted by firing into a bale of paper. Suppose the distance s, in inches, that the bullet travels into the paper is given by   for   second, find the velocity of the bullet one-tenth of a second after it hits the paper. Round your answer to two decimal places. ​ second, find the velocity of the bullet one-tenth of a second after it hits the paper. Round your answer to two decimal places. ​

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Suppose that the revenue (in dollars) from the sale of a product is given by Suppose that the revenue (in dollars) from the sale of a product is given by   , where x is the number of units sold. How fast is the marginal revenue   changing when   ​ , where x is the number of units sold. How fast is the marginal revenue Suppose that the revenue (in dollars) from the sale of a product is given by   , where x is the number of units sold. How fast is the marginal revenue   changing when   ​ changing when Suppose that the revenue (in dollars) from the sale of a product is given by   , where x is the number of units sold. How fast is the marginal revenue   changing when   ​ ​

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