Question 3(Multiple Choice Worth 1 points) (03.06 LC)
Determine if the sequence is arithmetic or geometric, and find the common difference or ratio.
X
1
2
3 4
f(x) 81 72 63 54
O Arithmetic, common difference = 9
O Arithmetic, common difference = -9
O Gealmetric, common ratio = 9
Geometric, common ratio = -9