Question

|y + 4| < 1
a.) -5 < y < -3
b.) -3 < y < 5
c.) -4 < y < 1
d.) 1 < y <4

Answer 1

|y + 4| < 1
when you drop the abs value signs, you get
y + 4 < 1 and y + 4 > -1

can you try solving each of those?

Answer 2

@reverdeparadis

Answer 3

y < -3 and y > - 5?