1. The function is given piecewise: ƒ(x) = cos(x) 0 X if x < 0 if x = 0 if x > 0

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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1. The function is given piecewise:
cos(x)
f(x) = 0
-x
(a) Evaluate limit. Show work! lim f(x)
x→0+
8118
(b) Evaluate limit. Show work! lim f(x)
x→0-
(c) Is the function continuous at x = 0? Justify.
(d) Evaluate limit. Show work!
lim f(x)
if x < 0.
if x = 0
if x > 0
(e) Evaluate limit. Show work! lim f(x)
x +∞
(f) Sketch the graph of f.
Transcribed Image Text:1. The function is given piecewise: cos(x) f(x) = 0 -x (a) Evaluate limit. Show work! lim f(x) x→0+ 8118 (b) Evaluate limit. Show work! lim f(x) x→0- (c) Is the function continuous at x = 0? Justify. (d) Evaluate limit. Show work! lim f(x) if x < 0. if x = 0 if x > 0 (e) Evaluate limit. Show work! lim f(x) x +∞ (f) Sketch the graph of f.
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