CPM Homework Help : CALC Problem 4-99

Using complete sentences, describe what each of the following graphs represents. Then, identify the physical quantity represented by the notation below the graph.

$s^\prime(t)$
Hint (a):
$s'(t)=\frac{ds}{dt}=\text{ instantaneous }\frac{\Delta \text{feet}}{\Delta \text{time}}$

$\int _ { a } ^ { b } r(t)dt$
Hint 1(b):
$\frac{\text{sales}}{\text{hour}}$ indicates a rate graph and an integral is an area function.
Hint 2(b):
Be sure to mention the significance of the bounds.

$\int _ { a } ^ { b } w(i)di$
Hint (c):
Refer to the hints in part (b).