Hello from MrBillDoesMath!
Answer:
a(n) = 12 - 3(n-1) , n = 1,2,3.,,
Discussion:
The terms are 12, 9, 6, 3 so we are apparently subtracting 3 from each succeeding term. . Hence
Thank you,
MrB
None of the above
Step-by-step explanation:
Since our given figure is 10 by 4, we have an area of 40. The pictures must have a similar area of 40 in order to be similar. Since none of the pictures have an area of 40, we have no pictures that are similar.
x = -2
It's a vertical line at x = -2
for a) it is arithmetic because you are adding 4 to each number
for b) it is geometric because you are multiplying previous numbers by 4
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