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  1. Piecewise Functions - Math is Fun

    We can create functions that behave differently based on the input (x) value. A function made up of 3 pieces. when x is less than 2, it gives x2,.

  2. Continuous Functions - Math is Fun

    A function is continuous when its graph is a single unbroken curve ... that you could draw without lifting your pen from the paper.

  3. What is a Function - Math is Fun

    A function relates an input to an output. It is like a machine that has an input and an output. And the output is related somehow to the input.

  4. Absolute Value Function - Math is Fun

    This is the Absolute Value Function: f (x) = x. It is also sometimes written: abs (x). This is its graph: f (x) = x.

  5. High School Functions Common Core Standards - Math is Fun

    HSF.LE.A.2 Construct linear and exponential functions, including arithmetic and geometric sequences, given a graph, a description of a relationship, or two input-output pairs (include …

  6. Evaluating Functions - Math is Fun

    To evaluate a function is to: Replace (substitute) any variable with its given number or expression. Like in this example:

  7. Domain, Range and Codomain - Math is Fun

    Learn about the differences between Domain, Range and Codomain. In its simplest form the domain is all the values that go into a function ...

  8. Floor and Ceiling Functions - Math is Fun

    The floor and ceiling functions give us the nearest integer up or down. The Floor of 2.31 is 2 The Ceiling of 2.31 is 3.

  9. Spline Definition (Illustrated Mathematics Dictionary)

    Illustrated definition of Spline: A function made up of polynomials that each have a specific interval. In other words a piecewise polynomial...

  10. Function Transformations - Math is Fun

    Let us start with a function, in this case it is f (x) = x2, but it could be anything: f (x) = x2. Here are some simple things we can do to move...