Question

solution set -1<4t+3<15

Answer 1

This is equivalent to -1 < 4t + 3
and 15 > 4t + 3

Answer 2

let's solve for t for both of these:

-1 - 3 < 4t
-4 < 4t
-1 < t

Answer 3

15 > 4t+3
12 > 4t
3 > t

Answer 4

-1 < t and 3 > t
is the same as -1 < t < 3

Answer 5

let me know if you need more clarification :]