Find the sum of the arithmetic series by using a formula. 3+7+11+15+ 19+23 + 27 +31+ 35 Identify the appropriate formula, substitute the appropriate values, and find the sum of the arithmetic series by using the formula, Choose the correct answer below and fill in the answer baes Type the terms of your expression in the same order as they appear in the original expression.) complete your choice. 重, OA S, =a, (a+an OB. S, =n- = oc a =a, + (n-1)d=+O-1)= OD. a. =a,()

Write each series in summation notation. (Do not evaluate)

Write the number of terms in each series, the first term, and the last term. Then evaluate the sum.

Use the formula for the sum of a geometric series to find the sum or state that the series diverges. (Use symbolic notation and fractions where needed. Enter DNE if the series diverges.) 53 73 = 75 + + +