# Domain and range of a function

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##### Intros

##### Examples

###### Lessons

- State the domain, range, and whether each is a function
- State the domain and range of each relation. Then determine whether each is a function.
- Sketch a graph of a nonlinear function with the following properties:

i) Domain $x$ $\in$ $I\!R$

ii) Range**$y$**$\leq$ 5, $y$ $\in$ $I\!R$

iii) One $x$-intercept

iv) One $y$-intercept - Sketch a graph of a nonlinear relation with the following properties:

i) Domain $x$ $\geq -3$, $x$ $\in$ $I\!R$

ii) Range**$y$**$\in$ $I\!R$

iii) One $x$-intercept

iv) One $y$-intercept