Extrema means......

Extremes!

Used to talk about maximums and minimums.

The graph to the right has an absolute minimum.

This means it has a point that is the lowest on the graph.

The place at which it occurs is 1

It's value is -4

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Absolutes

Above the graph has an absolute minimum at a.

Do you think it has any other special points?

Absolute minimums

Relative minimums and relative maximums occur in spots where they look like a maxi or min but are not the highest or lowest point overall.

Relative Extrema

The highest point on the graph overall.

Absolute Maximums