Find the value V of the Riemann sum V = n ∑ k = 1 f ( c k ) Δ x k V=∑k=1nf(ck)Δxk for the function f ( x ) = x 2 + 4 f(x)=x2+4 using the partition P = { 1, 2, 4, 7 }, where the c k ck are the left endpoints of the partition. V =

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.

Find the cocordinatse of the point on y axis which is nearest to the point (-2,5)