Use the summation formulas to rewrite the expression without the summation notation.
n
Σ 4i + 7
i = 1 n²
S(n) =
Use the result to find the sums for n = 10, 100, 1000, and 10,000.
a. n = 10
b. n = 100
c. n = 1,000
d. n = 10,000