1) When n = 1, n+5= 1+5=6.
When n=2, n+5=2+5=7.
When n=3, n+5=3+5=8.
2) When n = 1, 7+2n=7+2X 1=9.
When n=2, 7+2n=7+2X2= 1 1.
When n=3, 7+2n=7+2X3= 13.