Consider the quadratic function f(x) = –2x2 + 4x + 2. Find the y- intercept and the equation of the axis of symmetry.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
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Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Consider the quadratic function f(x) = -2x2 + 4x + 2. Find the y-
intercept and the equation of the axis of symmetry.
The y-intercept is 2.
The equation of the axis of symmetry is x = 1.
The y-intercept is -2.
The equation of the axis of symmetry is x = -1.
The y-intercept is –1.
The equation of the axis of symmetry is x = -2.
The y-intercept is 1.
The equation of the axis of symmetry is x = 2.
Transcribed Image Text:Consider the quadratic function f(x) = -2x2 + 4x + 2. Find the y- intercept and the equation of the axis of symmetry. The y-intercept is 2. The equation of the axis of symmetry is x = 1. The y-intercept is -2. The equation of the axis of symmetry is x = -1. The y-intercept is –1. The equation of the axis of symmetry is x = -2. The y-intercept is 1. The equation of the axis of symmetry is x = 2.
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