Discrete Math Question:

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

a) True

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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}	The intersection of the sets {1, 2, 5} and {1, 2, 6} is the set ___________. a) {1, 2} b) {5, 6} c) {2, 5} d) {1, 6}