Consider the following function x² - 2x, if x < 0, f(x)= = -2x, if x > 0. 1. Show that f(x) is continuous at x = 0. 2. Use the limit definition of the derivative to compute f'(0). Hint: You will need to use directional limits.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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Consider the following function
x² - 2x,
if x < 0,
f(x)=
=
-2x,
if x > 0.
1. Show that f(x) is continuous at x = 0.
2. Use the limit definition of the derivative to compute f'(0). Hint: You will need to use directional limits.
Transcribed Image Text:Consider the following function x² - 2x, if x < 0, f(x)= = -2x, if x > 0. 1. Show that f(x) is continuous at x = 0. 2. Use the limit definition of the derivative to compute f'(0). Hint: You will need to use directional limits.
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