If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

## Calculus 2

### Unit 1: Lesson 1

Accumulations of change introduction

# Accumulation of change

AP.CALC: CHA‑4 (EU), CHA‑4.A (LO), CHA‑4.A.1 (EK), CHA‑4.A.2 (EK), CHA‑4.A.3 (EK), CHA‑4.A.4 (EK)

## Problem

A water cooler springs a leak and empties in 2 minutes. The graph below shows the rate at which water leaks from the cooler as a function of time.
How much water was in the cooler before it started leaking?
gallons
Stuck?
Stuck?