The unfilled/open dot shows that we don't include that number
the filled/closed dot shows taht we include the number
so we see that it is open at -4 and closed at 4 so it is
-4<x and 4<u>></u>x so
S={x| -4<x<u><</u>4}
The answer is 41. Hope this helps!
Answer:
4a (n-1) + 5
Step-by-step explanation:
1th=6
2nd=29
3rd=121
4th=489
.
.
nth
if n=2
a2 = 4a(2-1) + 5 = 4 a(1) + 5 = 4 (6) + 5= 29
a3 =4a(3-1) + 5 = 4 a(2) + 5 = 4 (29) + 5= 121
try finding a4, check wether the answer is 489
Answer:
88+6=94
Step-by-step explanation:
Add the empty bottles