It finds slopes on curves,
And areas inside curvy shapes.
So it can find a changing velocity,
Like with gravity.
How does it work?
We use two points to find slope of a line, rise over run.
But we want the slope of a curve at one point.
So Newton and Leibniz “cheated”,
Putting the two points infinitely close together.
It works.
If you want to learn more,
Althea and her friends are exploring calculus
And you can join them.
(Email me at altheasmathmysteries@gmail.com.)
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