The area of the region between the graph of y = 3x^2 + 2x and the x-axis from x = 1 to x = 3 is?
(A) 36
(B) 34
(C) 31
(D) 26
(E) 12
(A) 36
(B) 34
(C) 31
(D) 26
(E) 12
cmcsafe
B) is the correct answer.
3
∫3x^2+2x dx =
1
.................3
= x^3+x^2 | = 27+9-1-1 = 34
.................1