# Determine Max/Mins and Incr/Decr Intervals Using a Free Online Graph Calc (MathAS)

This video explains how to graph, adjust the window, determine the max/mins, and determine where a function is increasing or decreasing using a free online graphing calculator. https://dlippman.imathas.com/graphcalc/graphcalc.html

# Determine the Possible Minimum and Maximum from a Histogram

This video explains how to determine the possible minimum and maximum from a histogram.

# Determine Absolute Extrema Graphically

This video explains how to determine the absolute max and absolute min of a function over a closed interval graphically.

# From a Graph Determine a Quadratic Function is Increasing and Decreasing

This video explains how to determine the intervals for which a quadratic function is increasing and decreasing from the graph.

# Absolute Extrema of a Function of Two Variable Over Bounded Region (Basic)

This video explains how to determine the absolute extrema of a function of two variables over a bounded region.

# Absolute Extrema of a Function of Two Variable Over Bounded Region (Rectangle)

This video explains how to determine the absolute extrema of a function of two variables over a bounded region.

# Absolute Extrema of a Function of Two Variable Over Bounded Region (Circle)

This video explains how to determine the absolute extrema of a function of two variables over a bounded region.

# Absolute Extrema of a Function of Two Variable Over Bounded Region (Circle / Lagrange)

This video explains how to determine the absolute extrema of a function of two variables over a bounded region.  Lagrange multipliers are used to determine the extrema on the boundary.

# Ex: Find a New Minimum Sale Price to Cover Costs

This video explains how to determine a new minimum sale price to cover costs when some sale items are destroyed.

# Ex: Determine the Five Number Summary from a Box Plot

This video explains how to determine the five number summary from a box plot.