Answer
(d)
Work Step by Step
Sketch the graph and estimate how many square units
(full 1$\times$1 squares) fit underneath the curve.
The shaded area is slightly more than than the area of a triangle with base 1 and height 2, whose area is $\displaystyle \frac{1}{2}(1)(2)=1$,
It is more than 1,
and, since it fits inside a 2$\times$1 rectangle,
it is less than 2 square units
so,
the closest choice would be (d)
