math (8)
posted by Vanessa .
Find the area of the region enclosed by these graphs and the vertical lines x = 3 and x = 5
f(x)=x^2+5 g(x)=1

ʃ (x^2+5)1)dx
ʃ (x^2+4)dx
x^3/3 + 4x from 3 to 5
5^3/3 +4(5) (3^3/3 + 4(3))
125/3 +20 27/3 12
=122/3