Answer:
When n is 1
4n-5
=4*1-5
=4-5
= -1
When n is 2
=4*2-5
=8-5
=3
When n is 3
=4*3-5
=12-5
=7
When n is 4
=4*4-5
=16-5
=11
When n is 10
=4*10-5
=40-5
=35
What is the square root of 160/4