What is the area of the region bounded by the graph of ?

Source: NCTM Mathematics Teacher, October 2006

**Solution**

If and

If and

If and

If and

The four graphs intersect and form a square of side length .

The are of the square equals .

**Solution**: square units

Advertisements

It’s a nice post about absolute value function. I really like it. It’s really helpful. Thanks for sharing it.