# Comparing Right- and Left-Hand Sums Exercises

### Example 1

Let *f* be a decreasing function on [a,b] and let *R* be the region between the graph of *f* and the *x*-axis on [a,b].

- Will
*LHS*(*n*) be an over- or under-estimate of the area of*R*?

- Will
*RHS*(*n*) be an over- or under-estimate of the area of*R*?

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