.Approximate the area under the curve on the given interval using rectangles and right-endpoint evaluation. Round to three decimal places.

y-x^(3)-1 on [1,4], n=100

a)58.704

b)70.381

c)63.000

d)61.698

.

2. Approximate the area under the curve on the given interval using rectangles and right-endpoint evaluation. Round to three decimal places.

y=x^(2)-8 on , [0,2], n=16

a)-14.078

b)-0.817

c)-13.578

d)-13.078