The first four terms of a sequence are shown below:
7, 4, 1, -2
Which of the following functions best defines this sequence?
Stacey Warren - Expert brainly.com
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i will give a gold medal
well I would check to see if it was arithmetic sequence first :
do you have term-previous term=same number
like I mean are all the following equal:
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it wont let me copy and paste them in
well I asked you a question and you haven't answered yet
so I don't know if you mean me or someone else because you don't understand what I'm asking you?
I'm asking you if all the differences are the same above
if we can establish all of these are the same then we have an arithmetic sequence and that means we have a common difference
d represents the common difference if there is one
So I'm still asking you the following questions:
i have no idea what im doing lol
So you haven't done subtraction yet?
do you want to try doing 1-4=?
Come on... you have to know subtraction to know how to do this problem.
You know 1-4 and -2-1 and 4-7 all have the same difference which is -3
-3 is your common difference
you do have an arithmetic sequence
use the equation I gave you above for a_n