Domain and range of a function

0/1

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State the domain, range, and whether each is a function
6. (Using the interval notation)
7. (Omit Domain & Range)
8. $(7,2) (3,5) (4,1) (2,6)$
9. $(-3,4) (2,5) (5,1) (-3,8)$
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