a sequence is defined by un=3n-2. find u27
I think the definition of your sequence is u(n) = 3n - 2 .That little set of parentheses makes it SO much easier to read and understand.To find u(any number) just write the number in place of 'n' .u(27) = 3(27) - 2 = 81 - 2 = 79 .
