Graph, Domain and Range of Common Functions
A tutorial using a large window applet to explore the graphs, domains and ranges of some of the most common functions used in mathematics.
Here is a list of the functions to be investigated:
- linear function f(x) = x
- squaring function f(x) = x2
- cubing function f(x) = x3
- absolute value function f(x) = |x|
- square root function f(x) = sqrt(x)
- cube root function f(x) = cubeRoot(x)
- natural exponential function f(x) = ex
- natural logarithmic function f(x) = ln(x)
Interactive Tutorial Using Applet
1 - click on the button above "click here to start" and MAXIMIZE the window obtained.
2 - Select a function and examine its graph. Write down its equation .(for example f(x) = x3). Do this for all functions in the applet.
3 - Domain : Select a function, examine its graph and its equation. Find the domain of the function being explored. Do this activity for all functions.
4 - Range : Select a function, examine its graph and its equation. Find its range. Do this activity for all functions.
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Updated: 2 April 2013
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