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Which of the following must be greater than x, where -1 < x
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29 Oct 2017, 01:23
29 Oct 2017, 01:23
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Question Stats:
30% (01:44) correct
70% (01:21) wrong based on 60 sessions
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Which of the following must be greater than x, where -1 < x < 0?
Choose ALL that apply.
A. \(x^3\)
B. \(\sqrt[3]{x}\)
C. \(x^2+x\)
D. \(x^2-x^3\)
E. \(1+2x\)
Kudos for correct solution.
Choose ALL that apply.
A. \(x^3\)
B. \(\sqrt[3]{x}\)
C. \(x^2+x\)
D. \(x^2-x^3\)
E. \(1+2x\)
Kudos for correct solution.
Show: :: OA
A, C, D, and E
ShowHide Answer
Official Answer
A,C,D,E
Re: Which of the following must be greater than x, where -1 < x
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30 Oct 2017, 10:33
30 Oct 2017, 10:33
1
I am ok with all the answers but C. If x = -(1/2), then x^2+x = 1/4-1/2 = -1/2 that is equal to x. So it is not true that x^2+x must be greater than x.
Am I right? Or am I just tired that I do not get why C is ok?
Am I right? Or am I just tired that I do not get why C is ok?
Re: Which of the following must be greater than x, where -1 < x
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20 Feb 2018, 11:15
20 Feb 2018, 11:15
i don`t get why A is right.. can someone please explain?
Bunuel wrote:
Which of the following must be greater than x, where -1 < x < 0? Choose ALL that apply.
A. \(x^3\)
B. \(\sqrt[3]{x}\)
C. \(x^2+x\)
D. \(x^2-x^3\)
E. \(1+2x\)
Kudos for correct solution.
A. \(x^3\)
B. \(\sqrt[3]{x}\)
C. \(x^2+x\)
D. \(x^2-x^3\)
E. \(1+2x\)
Kudos for correct solution.
Show: :: OA
A, C, D, and E
