Getting Closer

Observe what happens as approaches .

Function:
{{ row.x }} {{ row.fx }}

Action: Tap to approach

Target limit reached: !

Approaching from the Left

The left-sided limit looks at values where .

Find:

Left Limit

Action: Drag from left

Approaching from the Right

The right-sided limit looks at values where .

Find:

Right Limit

Action: Drag from right

Does the Limit Exist?

A normal limit only exists if the left and right limits are equal.

Action: Drag both points

= {{L1}}
= {{L2}}

Do they match? Does the limit exist?

Try again! Look at the values.

Correct! They don't meet.

Limit Reached!

You've mastered the concept of approaching values and one-sided limits.