1 Domain Find the domain of the function. x + 2 57. f(x) = 58. f(x) x + x- 6 59. f(1) = V + I 60. g(1) = Vt + 9

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.2: Domain And Range
Problem 2SE: How do we determine the domain of a function defined by an equation?
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1 Domain Find the domain of the function.
x + 2
57. f(x) =
58. f(x)
x + x- 6
59. f(1) = V + I
60. g(1) = Vt + 9
Transcribed Image Text:1 Domain Find the domain of the function. x + 2 57. f(x) = 58. f(x) x + x- 6 59. f(1) = V + I 60. g(1) = Vt + 9
Expert Solution
Step 1 Let us find the domain of given function

Given Functions:

fx=x+2x2-1fx=x4x2+x-6ft=t+1 gt=t2+9

Step 2

57. fx=x+2x2-1x2-1=0x=±1Hence, fx exists only if x±1.DOMAIN:(-, -1) (-1, 1)(1,)

58. fx=x4x2+x-6x2+x-6=0x+3x-2=0x=-3,2X-3,2DOMAIN:(-, -3)(-3,2)(2,)

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