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20. A quadratic function has a vertex located at (6,-6) and a y-intercept of 12. Which equation represents the function in standard form? a. y = 2x2 – 24x+ 66 b. y = 2(x – 6)2 – c. y = 5x2 – 12x +24 d. y = 0.5x2 – 6x + 12 - 6 e. none of the above

20. A quadratic function has a vertex located at (6,-6) and a y-intercept of 12. Which equation represents the function in standard form? a. y = 2x2 – 24x+ 66 b. y = 2(x – 6)2 – c. y = 5x2 – 12x +24 d. y = 0.5x2 – 6x + 12 - 6 e. none of the above

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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20. A quadratic function has a vertex located at (6, –6) and a y-intercept of 12. Which equation represents the function in standard form? a. y = 2x2 – 24x + 66 b. y = 2(x – 6)² - 6 C. y = 5x2 – 12x + 24 d. y = 0.5x2 – 6x + 12 %3D e. none of the above
Transcribed Image Text:20. A quadratic function has a vertex located at (6, –6) and a y-intercept of 12. Which equation represents the function in standard form? a. y = 2x2 – 24x + 66 b. y = 2(x – 6)² - 6 C. y = 5x2 – 12x + 24 d. y = 0.5x2 – 6x + 12 %3D e. none of the above
15. A manufacturing company has a profit, M(x), that can be modelled by M(x) = -50s2 + 650x + 15000 , where x is the cost of the objects that they manufacture. What should the company charge to maximize the profit? a. $6.50 b. $65 c. $25 d. $650 e. $13
Transcribed Image Text:15. A manufacturing company has a profit, M(x), that can be modelled by M(x) = -50s2 + 650x + 15000 , where x is the cost of the objects that they manufacture. What should the company charge to maximize the profit? a. $6.50 b. $65 c. $25 d. $650 e. $13
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