6. Describe the shape of the distribution shown in the histogram which displays the light output, in lumens, of various light sources.
20
18
16
14
12
10
+
8
-
6
4
2
0
200
400
1,000
1,200
600 800
lumens

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.