Given the explicit formula u(n) = 3n - 1, where u(1) = 1, find the recursive formula for u(n).

Do,h = (7, 9) (14, 18) the scale factor is

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

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