Which of the following is a valid collection of equivalence classes for the following
problem: An
integer field shall contain values from and including 1 to and including 15
a. Less than 1, 1 through 15, more than 15
b. Negative numbers, 1 through 15, above 15
c. Less than 1, 1 through 14, more than 15
d. Less than 0, 1 through 14, 15 and more
Correct answer is option A I need Explanation can any one provide.thanks in advance