Decide whether the function is linear. Then evaluate the function for the given value of x. 43-48 pls 20 points
1 answer:
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1st way
To solve this we need to know ratio.
Now we can see that odd numbers of geometric sequence are positive and even numbers are negative. 91 - odd number, so it will be positive. If ratio is equal to -1, than 91st number is
2nd way
Firstly, we need to find ratio.
Secondly, we need to use this formula