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The quadratic function f(x)=2x²-20x+65 is defined in the domain 0≤x≤5. The formula off can also obtain the form f(x)=2(x-5)² +15. Its graph is shown below. 50+ (a) Write down the range of f. (b) Find ¹(x) and state its domain.

The quadratic function f(x)=2x²-20x+65 is defined in the domain 0≤x≤5. The formula off can also obtain the form f(x)=2(x-5)² +15. Its graph is shown below. 50+ (a) Write down the range of f. (b) Find ¹(x) and state its domain.

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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The quadratic function f(x)=2x²-20x+65 is defined in the domain 0≤x≤5. The formula of ƒ can also obtain the form f(x)=2(x-5)² +15. Its graph is shown below. (a) Write down the range of f. (b) Find ¹(x) and state its domain. 50+
Transcribed Image Text:The quadratic function f(x)=2x²-20x+65 is defined in the domain 0≤x≤5. The formula of ƒ can also obtain the form f(x)=2(x-5)² +15. Its graph is shown below. (a) Write down the range of f. (b) Find ¹(x) and state its domain. 50+
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