Exam 2: Quadratic and Other Special Functions

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The model for body-heat loss depends on the coefficient of convection K, which depends on wind speed v according to the equation The model for body-heat loss depends on the coefficient of convection K, which depends on wind speed v according to the equation   where v is in miles per hour. Find the positive coefficient of convection when the wind speed is 29 mph. Round your answer to the nearest integer. ​ where v is in miles per hour. Find the positive coefficient of convection when the wind speed is 29 mph. Round your answer to the nearest integer. ​

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Find the exact real solutions of the equation Find the exact real solutions of the equation   , if they exist. ​ , if they exist. ​

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Graph the cubic function that models the data given in the table below. ​ Graph the cubic function that models the data given in the table below. ​

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Sketch the graph of the following function by using graphing calculator. ​ Sketch the graph of the following function by using graphing calculator. ​   ​

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Sketch the graph of the function Sketch the graph of the function   . .

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The supply function for a product is The supply function for a product is   , while the demand function for the same product is   . If a $22 tax is placed on production of the item, then the supplier passes this tax on by adding $22 to his selling price. Find the new equilibrium point E(q, p) for this product when the tax is passed on. (The new supply function is given by   .) Round your final answer to two decimal places. ​ , while the demand function for the same product is The supply function for a product is   , while the demand function for the same product is   . If a $22 tax is placed on production of the item, then the supplier passes this tax on by adding $22 to his selling price. Find the new equilibrium point E(q, p) for this product when the tax is passed on. (The new supply function is given by   .) Round your final answer to two decimal places. ​ . If a $22 tax is placed on production of the item, then the supplier passes this tax on by adding $22 to his selling price. Find the new equilibrium point E(q, p) for this product when the tax is passed on. (The new supply function is given by The supply function for a product is   , while the demand function for the same product is   . If a $22 tax is placed on production of the item, then the supplier passes this tax on by adding $22 to his selling price. Find the new equilibrium point E(q, p) for this product when the tax is passed on. (The new supply function is given by   .) Round your final answer to two decimal places. ​ .) Round your final answer to two decimal places. ​

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Write the equation Write the equation   in general form. ​ in general form. ​

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Suppose a company has fixed costs of $27,000 and variable costs of Suppose a company has fixed costs of $27,000 and variable costs of   dollars per unit, where x is the total number of units produced. Suppose further that the selling price of its product is   dollars per unit. Find the maximum revenue. Round your answer to the nearest cent. ​ dollars per unit, where x is the total number of units produced. Suppose further that the selling price of its product is Suppose a company has fixed costs of $27,000 and variable costs of   dollars per unit, where x is the total number of units produced. Suppose further that the selling price of its product is   dollars per unit. Find the maximum revenue. Round your answer to the nearest cent. ​ dollars per unit. Find the maximum revenue. Round your answer to the nearest cent. ​

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The supply function for a product is The supply function for a product is   , while the demand function for the same product is   . Find the market equilibrium point E(q, p). Round your final answer to two decimal places. ​ , while the demand function for the same product is The supply function for a product is   , while the demand function for the same product is   . Find the market equilibrium point E(q, p). Round your final answer to two decimal places. ​ . Find the market equilibrium point E(q, p). Round your final answer to two decimal places. ​

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Solve the equation below using quadratic methods. ​ Solve the equation below using quadratic methods. ​   ​

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Given the profit function, Given the profit function,   , and that production is restricted to fewer than 75 units, find the break-even point(s). Round your answer to two decimal places. ​ , and that production is restricted to fewer than 75 units, find the break-even point(s). Round your answer to two decimal places. ​

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Sketch the graph of the function Sketch the graph of the function   . ​ . ​

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Multiply both sides of the equation Multiply both sides of the equation   by the LCD, and then solve the resulting quadratic equation. ​ by the LCD, and then solve the resulting quadratic equation. ​

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Sketch the first quadrant portions of the following functions and estimate the market equilibrium point. ​ Supply: Sketch the first quadrant portions of the following functions and estimate the market equilibrium point. ​ Supply:   Demand:   ​ Demand: Sketch the first quadrant portions of the following functions and estimate the market equilibrium point. ​ Supply:   Demand:   ​

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By recognizing shapes and features of rational functions, sketch the graph of the function By recognizing shapes and features of rational functions, sketch the graph of the function   . Use a graphing utility to confirm your graph. ​ . Use a graphing utility to confirm your graph. ​

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When a stone is thrown upward, it follows a parabolic path given by a form of the equation When a stone is thrown upward, it follows a parabolic path given by a form of the equation   . If   represents ground level, find the equation of a stone that is thrown from ground level at   and lands on the ground 130 units away if the stone reaches a maximum height of 130 units. ​ . If When a stone is thrown upward, it follows a parabolic path given by a form of the equation   . If   represents ground level, find the equation of a stone that is thrown from ground level at   and lands on the ground 130 units away if the stone reaches a maximum height of 130 units. ​ represents ground level, find the equation of a stone that is thrown from ground level at When a stone is thrown upward, it follows a parabolic path given by a form of the equation   . If   represents ground level, find the equation of a stone that is thrown from ground level at   and lands on the ground 130 units away if the stone reaches a maximum height of 130 units. ​ and lands on the ground 130 units away if the stone reaches a maximum height of 130 units. ​

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Sketch the graph of the function Sketch the graph of the function   . ​ . ​

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The daily profit from the sale of a product is given by The daily profit from the sale of a product is given by   dollars. What is the maximum possible profit? Round intermediate calculations and final answer to the nearest dollar. ​ dollars. What is the maximum possible profit? Round intermediate calculations and final answer to the nearest dollar. ​

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Solve the equation by using the quadratic formula. Give real answers rounded to two decimal places. ​ Solve the equation by using the quadratic formula. Give real answers rounded to two decimal places. ​   ​

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An open-top box is constructed from a square piece of cardboard with sides of length 9 ft. The volume of such a box is given by An open-top box is constructed from a square piece of cardboard with sides of length 9 ft. The volume of such a box is given by   , where x is the height of the box. Find the volume of the box if its height is 4 ft. ​ , where x is the height of the box. Find the volume of the box if its height is 4 ft. ​

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