2- If a and b are constant then Variance (ax +b) is equal to a- a² var.(x) b-a² var.(x) +b² c- a² var.(x) +b d-var.(x) +b²

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.6: Variation
Problem 2E
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Question
B- Chooce the correct answer:
1-which one of the following statements are true
a- The maximum value of f(x) is 1 b- The maximum value of F(x) is 1
c- Both (a) and (b)
d- None of these
2- If a and b are constant then Variance (ax +b) is equal to
a- a² var.(x)
b-a² var.(x) +b²
c-a² var.(x) +b
d-var.(x) +b²
Transcribed Image Text:B- Chooce the correct answer: 1-which one of the following statements are true a- The maximum value of f(x) is 1 b- The maximum value of F(x) is 1 c- Both (a) and (b) d- None of these 2- If a and b are constant then Variance (ax +b) is equal to a- a² var.(x) b-a² var.(x) +b² c-a² var.(x) +b d-var.(x) +b²
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