**Approximate the area between the $x$-axis and $f(x)$ from $x = 0$ to $x = 8$ using a *right Riemann sum* with $3$ unequal subdivisions.**
| | |||
:-: | - | - | - |
$x$ | $0$ | $3$ | $4$ | $8$
$f(x)$ | $2$ | $5$ | $7$ | $11$
The approximate area is [[☃ numeric-input 1]] units$^2$.