Which of the following is the solution set of –4 < 3t + 5 ≤ 20?

Question 15 options:

a)

{t | t < –3 and t ≤ 5}

b)

{t | –3 < t ≤ 5}

c)

{t | t < –3 or t ≥ 5}

d)

{t | t < –3}