8 The equation of a curve is y = 3+ 12x - 2x². a Express 3+12x-2x² in the form a-2(x + b)2, where a and b are constants to be found. b Find the coordinates of the stationary point on the curve. c Find the set of values of x for which y ≤-5.
8 The equation of a curve is y = 3+ 12x - 2x². a Express 3+12x-2x² in the form a-2(x + b)2, where a and b are constants to be found. b Find the coordinates of the stationary point on the curve. c Find the set of values of x for which y ≤-5.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 34E
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