MediaSpace@WCSU

Thumbnail for Evaluating functions: Linear and quadratic or cubic

Evaluating functions: Linear and quadratic or… 1 of 7

duration 3 minutes 18 seconds

Evaluating functions: Linear and quadratic or…

Evaluating functions: Linear and quadratic or cubic

126 plays 0

Speaks to the meaning of f(x), i.e. function notation. Then demnstrates how to get the value of two different functons given the input value.

Thumbnail for Finding inputs and outputs of a two-step function that models a real-world situation: Function notation

Finding inputs and outputs of a two-step function… 2 of 7

duration 4 minutes 41 seconds

Finding inputs and outputs of a two-step function…

Finding inputs and outputs of a two-step function that models a real-world situation: Function notation

From Tom Grant

35 plays 0

Describes a situation that can be written as a function of the number of weeks a certain amount it saved and the resulting functional value is the amount still needed to…

Thumbnail for Identifying functions from relations

Identifying functions from relations 3 of 7

duration 3 minutes 45 seconds

Identifying functions from relations

From Tom Grant

37 plays 0

Discussion of what relations and functions are and then some exapmles of how to indentify if a particular relation is more specifically a function.

Thumbnail for Interpreting the parameters of a linear function that models a real-world situation

Interpreting the parameters of a linear function… 4 of 7

duration 2 minutes 32 seconds

Interpreting the parameters of a linear function…

Interpreting the parameters of a linear function that models a real-world situation

From Tom Grant

7 plays 0

Describes what the values in a linear relationship mean in a real situation.

Thumbnail for Table for a linear function

Table for a linear function 5 of 7

duration 3 minutes 31 seconds

Table for a linear function

From Tom Grant

16 plays 0

Describes how to find output values for a function given a list of iinput values and a table to complete a set of ordered pair values. Also mentions what function…

Thumbnail for Variable expressions as inputs of functions: Problem type 1

Variable expressions as inputs of functions:… 6 of 7

duration 1 minute 4 seconds

Variable expressions as inputs of functions:…

Variable expressions as inputs of functions: Problem type 1

From Tom Grant

50 plays 0

Shows how to input an expression in place of the orignial variable input, and then simplify.

Vertical Line Test 7 of 7

duration 4 minutes 21 seconds

Vertical Line Test

From Tom Grant

314 plays 0

This demonstrates why and how to use vertical lines to test whether a graph of any relation is a function or not.

Math Emporium / Functions and Relations