Chapter 4.1, Problem 5E

To determine

(a)

To estimate:

The area under the graph of $f\left(x\right)=1+x^2$ by right endpoints.

To determine

b)

To estimate:

The area under the graph of $f\left(x\right)=1+x^2$ by right endpoints.

To determine

c)

To estimate:

The area under the graph of $f\left(x\right)=1+x^2$ by right endpoints.

To determine

d)

To answer:

The best estimation among the parts (a)-(c)