HW10.6Sol - plus $4 per person for each unsold seat on the...

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Math 35 Name:____________________ Date:_____________________ Homework 10.6 Score:____________________ Determine whether the graph will open up or down, find the coordinate of the vertex, find the line of symmetry, find the x-intercepts and graph each of the following. 1. f x x x 2 ( ) 8 15 = + + 2. f x x x 2 ( ) 2 8 = - - + Opens: Opens: Vertex: Vertex: Axis of Sym: Axis of Sym: X-Int: X-Int: 3. f x x x 2 ( ) 4 5 = - + - 4. f x x x 2 ( ) 4 4 = - + Opens: Opens: Vertex: Vertex: Axis of Sym: Axis of Sym: X-Int: X-Int:
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Math 35 Name:____________________ Date:_____________________ Homework 10.6 Score:____________________ 5. f x x 2 ( ) 2 = + 6. f x x 2 ( ) 5 = - + Opens: Opens: Vertex: Vertex: Axis of Sym: Axis of Sym: X-Int: X-Int: 7. f x x x 2 ( ) 6 = + 8. f x x x 2 ( ) 6 4 = - + Opens: Opens: Vertex: Vertex: Axis of Sym: Axis of Sym: X-Int: X-Int:
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Math 35 Name:____________________ Date:_____________________ Homework 10.6 Score:____________________ 9. f x x x 2 ( ) 2 4 5 = - + - Opens: Vertex: Axis of Sym: X-Int: 10. (Problem 31 from section 10.6): A charter flight charges a fare of $200 per person
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Unformatted text preview: plus $4 per person for each unsold seat on the plane. If the plane holds 100 passengers and if x represents the number of unsold seats, find the following. a. A function defined by R(x) that describes the total revenue received for the flight (Hint: multiply the number of people flying, 100-x, by the price per ticket, 200+4x) b. The number of unsold seats that will produce the maximum revenue c. The maximum revenue. Math 35 Name:____________________ Date:_____________________ Homework 10.6 Score:____________________ 11. Joe owns a hot dog stand. He has found that his profit can be represented by the equation P x x 2 ( ) 78 80 = -+ + where P represents his profit and x represents the number of hot dogs sold. d. How many hot dogs must he sell to earn the most profit? e. What is his maximum profit?...
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