3. What is the sum of the arithmetic series sum x = 1 to 5 (3n - 2) (1 point)
WRONG!!!!
the terms are 1, 4, 7, 10, 13
without even using the formula, just adding them up gives us 35
the terms are 1, 4, 7, 10, 13
without even using the formula, just adding them up gives us 35