The first differences are 8, 14, 20.
The second differences are 6.
Half of 6 is 3, so the first term of the sequence is 3n^2.
If you subtract 3n^2 from the sequence you get 0,-1,-2,-3 which has the nth term of -n + 1.
Therefore your final answer will be 3n^2 - n + 1
X=8 is the Answer. So the equation would be <span>-8+4(1+5 times 8 )=156 </span>
I believe the correct answer is 42.25%
Answer:
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Step-by-step explanation:
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