Calculus
t∈(1,4]t\(\in\[\left\)(1,4\(\right\]\rbrack\)
t∈(2,5)t\(\in\)\(\left\)(2,5\(\right\))
t∈(1,4)t\(\in\)\(\left\)(1,4\(\right\))
t∈(2,5]t\(\in\[\left\)(2,5\(\right\]\rbrack\)