For any real number x, the floor function (or greatest integer function) [x] is the greatest integer
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For any real number x, the floor function (or greatest integer function) [x] is the greatest integer less than or equal to x (see figure).
a. Compute limx→-1- [x], limx→-1+ [x], limx→2- [x], and limx→2+ [x].
b. Compute limx→2.3- [x], limx→2.3+ [x], and limx→2.3 [x].
c. For a given integer a, state the values of limx→a- [x] and limx→a+ [x].
d. In general, if a is not an integer, state the values of limx→a- [x] and limx→a+ [x].
e. For what values of a does limx→a [x] exist? Explain.
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Related Book For
Calculus Early Transcendentals
ISBN: 978-0321947345
2nd edition
Authors: William L. Briggs, Lyle Cochran, Bernard Gillett
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