Cohsider the set A illustrated on the number line below: -5 -4 -3 -2 -1 1 2 3 4 Which one of the following expressions is not equal to A?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter4: Factors, Fractions, And Exponents
Section4.7: Scientific Notation
Problem 54E
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Cohsider the set A illustrated on the number line below:
-5
-4
-3
-2
-1
0.
1
3
4.
Which one of the following expressions is not equal to A?
O {x €R| |r+ 1| < 2}n{-3}
O (-5, 1) N [-3, 5]
O {r € R | |x+1|< 2} \ {1}
O (-3, 0] U (-3, 1)
Transcribed Image Text:Cohsider the set A illustrated on the number line below: -5 -4 -3 -2 -1 0. 1 3 4. Which one of the following expressions is not equal to A? O {x €R| |r+ 1| < 2}n{-3} O (-5, 1) N [-3, 5] O {r € R | |x+1|< 2} \ {1} O (-3, 0] U (-3, 1)
Consider the function f: [0, 1] → [0, 1], f(x) = cos .
Wkich one of these statements is correct?
O f(x) is neither injective nor surjective.
O f(x) is surjective but not injective.
O f(r) is injective but not surjective.
O f(x) is both injective and surjective.
Transcribed Image Text:Consider the function f: [0, 1] → [0, 1], f(x) = cos . Wkich one of these statements is correct? O f(x) is neither injective nor surjective. O f(x) is surjective but not injective. O f(r) is injective but not surjective. O f(x) is both injective and surjective.
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