Khan Academy: Find Composite Functions

This video explores a listener's example of a function. You are given the composite function and one function, and you must find the other function.

This video continues to look at evaluating functions by looking at examples of evaluating basic composite functions.

Given the formulas of two functions, find the formula of their composition.

Given the formulas of two functions, evaluate the composition of the two functions at a given input.

Given the graphs, or some tables of values, of two functions, evaluate the composition of those functions at a given input.

The final segment in the Khan Academy's series on function inverses. Similar to the previous video, this segment does another example for finding the inverse of a quadratic function. Again the instructor explains the need for restraints...

Learn how to verify whether two functions are inverses by their composition. Students are given examples and practice problems.

Explains what it means to compose two functions. Gives examples for finding the values of composite functions given the equations, the graphs, or tables of values of the two composed functions. [6:14]

Video graphing a parabola by plotting the roots, vertex and axis of symmetry. Roots of the quadratic function are found by factoring. Vertex of the parabola is found by three different methods: taking the midpoint of the roots, finding...

Video graphing a quadratic function by evaluating it for seven different values and plotting the resulting points. [4:04]