Question

PLZ HELP

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
Arithmetic, common difference = 9
Arithmetic, common difference = −9
Geometric, common ratio = 9
Geometric, common ratio = −9

Answer 1

The correct option among the others is B

Explanation:

Answer 2

The second item is the correct one , i mean arithmetic , common difference = -9 .

Explanation:

Hope this helps u , good luck ;)