The recursive formula means that the next term in the sequence is 5 more than the previous one.
So, we know that we start from , which means that the next term is
Similarly,
Eight less than four times a number is the same as 13 more than the number. What is the number?
1 answer:
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let's notice, this is a Cube, namely all equal sides, and mind you it has 6 sides, Check the picture below.
