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1. Sketch the graph of the following quadratic functions. Hint: use information about concavity, vertex (turning point), zeros, and intercept. f(x) = x² - 4x +5

1. Sketch the graph of the following quadratic functions. Hint: use information about concavity, vertex (turning point), zeros, and intercept. f(x) = x² - 4x +5

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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1. Sketch the graph of the following quadratic functions. Hint: use information about concavity, vertex (turning point), zeros, and intercept. f(x) = x² - 4x +5 2. For the following trig function state the amplitude, wavelength and phase shift. y = 2 sin(2x) 3. Calculate the exact function value of cos(-57/3). Note that the angle is given in radians.
Transcribed Image Text:1. Sketch the graph of the following quadratic functions. Hint: use information about concavity, vertex (turning point), zeros, and intercept. f(x) = x² - 4x +5 2. For the following trig function state the amplitude, wavelength and phase shift. y = 2 sin(2x) 3. Calculate the exact function value of cos(-57/3). Note that the angle is given in radians.
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