Discrete Math Question:

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The g -1({0}) for the function g(x)= ⌊x⌋ is ________.
a) {x | 0 ≤ x < 1}
b) {x | 0 < x ≤ 1}
c) {x | 0 < x < 1}
d) {x | 0 ≤ x ≤ 1}

Discrete Math Interview Question
Discrete Math Interview Question

Answer:

d) {x | 0 ≤ x ≤ 1}

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The function f(x) = x3 is bijection from R to R. Is it True or False?
a) True
b) False		The function f(x)=x+1 from the set of integers to itself is onto. Is it True or False?
a) True
b) False