The pattern is 1, 4, 7, 10, … . Which expression gives the nth term?
Note
The difference is 3, so the coefficient of n is 3. Because the first term must be 1, the expression is 3n + -2; when n=1, it gives 1.
The pattern is 1, 4, 7, 10, … . Which expression gives the nth term?
The difference is 3, so the coefficient of n is 3. Because the first term must be 1, the expression is 3n + -2; when n=1, it gives 1.