If [z] denotes the least integer greater than or equal to...

Free Practice Question

PS · Problem Solving

705-805

Functions

If [z] denotes the least integer greater than or equal to z and

[z^2]

= 2, which of the following could be the value of [z]?
I. 2
II. 1
III. -2

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A

I only

B

II only

C

III only

D

I and II only

E

II and III only

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Explanation

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