(1) リ) ints where

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 23E
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(1)
リ)
ints
where
Transcribed Image Text:(1) リ) ints where
Expert Solution
Step 1

As per the bartleby guidelines for more than one question only one has to be solved  please upload the other question separately.

1 The function is given 

fx=x-2x2-4

a  To find the   ff-1-1.

y=x-2x2-4

Swap the variable :

x=y-2y2-4

Solve the equation for f-1-1.

y=-2+1xy=-2+1-1y=-3.

 

Step 2

To determine the ff-1-1.

ff-1-1=f-3

f-3=1-3+2f-3=-1.

b The point where the function is discontinuous is:

fx=x-2x2-4fx=x-2x-2x+2fx=1x+2

At x=-2 the function is discontinuous.

c To find the vertical asymptote ,denominator is to be zero.

fx=1x+2

x+2=0x=-2.

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