9514 1404 393
Answer:
d an = 6n^2 -4
Explanation:
You only need to look at the values of the expressions for n=1 to determine the correct formula.
For n=1, the formula values are ...
- a: 4 +6 = 10
- b: 4 -6 = -2
- c: 6 +4 = 10
- d: 6 -4 = 2 . . . . . . the correct first term
The rule for the sequence is ...
