Percentage of the different pets people own Dogs 50% Cats 30% Birds 10% Reptiles 5 % Other Rodents 1% 4% f the total number of h
omes with a pet is 400, the number of homes with a pet cat is: 120 160 400 30
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Given:
First term of an arithmetic sequence = 5
Second term = 3
To find:
The explicit formula for the given arithmetic sequence.
Solution:
We have,
First term:
Second term:
Common difference is
Now, the explicit formula for an arithmetic sequence is
where, a is first term and d is common difference.
Putting a=5 and d=-2, we get
It can also be written as
Here, n is an integer greater than or equal to 1.
Domain is the set of input values.
Therefore, the explicit equation is or
and domain is all interest greater than or equal to 1.