Question

TELL WHETER EACH SEQUENCE IS ARITHMETIC.JUSTIFY YOUR ANSWER.IF THE SEQUENCE IS ARITHMETIC,WRITE A FUNCTION RULE TO REPRESENT IT
1.6,0.8,0,-0,8....
5,10,20,40....
5,13,21,29....

Answer 1

a) looks like we are subtracting ...
b) looks like we are multiplying...
c) looks like we are adding ...

Answer 2

multiplication is not involved with arithmetic sequences

Answer 3

SO B IS NOT ARITHMETIC

Answer 4

Stop yelling

Answer 5

sorry

Answer 6

lol no problem. No, B is not arithmetic, it's geometric.

Answer 7

so a and c are
how do i write a rule for those
like -.8 would tht be a rule?

Answer 8

@hoblos is -.08 a function rule?

Answer 9

\[a_{n} = a_{1} - 0.8(n-1)\]

Answer 10

wb c?

Answer 11

Just replace the - 0.8 part in the last function with the common difference from C

Answer 12

Thanks much!