17-22 Explain why the function is discontinuous at the given number a. Sketch the graph of the function. 17. f(x) = x+2 a-2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 3E
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17-22 Explain why the function is discontinuous at the given
number a. Sketch the graph of the function.
17. f(x)
1
19. f(x)
x + 2
18. f(x) = x +
1/x
x²
if x = -2
if x==2
if x < 1
if x 1
a = 2
a
2
a = 1
Transcribed Image Text:17-22 Explain why the function is discontinuous at the given number a. Sketch the graph of the function. 17. f(x) 1 19. f(x) x + 2 18. f(x) = x + 1/x x² if x = -2 if x==2 if x < 1 if x 1 a = 2 a 2 a = 1
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