# 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

# Linear Inequality App: Maximum Miles in a Taxi Given Total Cost

This video explains how to setup and solve a linear inequality in one variable to solve an application.

# Inequality in One Variable Application: Rental Car Cost

This video explains how to write and solve a linear inequality in one variable to solve an application problem.

# 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.

# Vertex Application: Find the Time Given a Maximum Height (Formula)

This video explains how to find the input or first value of the ordered pair that is the vertex.

# Determine the Gradient of a Function of Three Variables – Exponential

This video explains how to determine the gradient vector field of a function of three variables.

# Determine the Gradient of a Function of Three Variables – Polynomial

This video explains how to determine the gradient vector field of a function of three variables.

# Show the Gradient to a Surface Using 3D Calc Plotter

This video using 3D Calc Plotter to illustrate the meaning of a gradient vector.