11. Consider lim x + 3. x→1 (a) Show that |vx +3 – 2| < 51x – 1| if |x – 1| < 4. Hint: Multiply the inequality by |/x +3 + 2| and observe that |/x +3 + 2| > 2. - - (b) Find & > 0 such that |/x + 3 – 2| < 10¬4 for |x – 1| < 8. (c) Prove rigorously that the limit is equal to 2.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
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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11. Consider lim /x + 3.
x→1
(a) Show that |x +3 – 2| < |x – 1| if |x – 1| < 4. Hint: Multiply
the inequality by |/x +3+ 2| and observe that |/x +3+ 2| > 2.
-
-
-
(b) Find & > 0 such that |/x +3 – 2| < 10¬4 for |x – 1| < 8.
-
-
(c) Prove rigorously that the limit is equal to 2.
Transcribed Image Text:11. Consider lim /x + 3. x→1 (a) Show that |x +3 – 2| < |x – 1| if |x – 1| < 4. Hint: Multiply the inequality by |/x +3+ 2| and observe that |/x +3+ 2| > 2. - - - (b) Find & > 0 such that |/x +3 – 2| < 10¬4 for |x – 1| < 8. - - (c) Prove rigorously that the limit is equal to 2.
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