Review

$$\left\{(1,1),\ (1,-1),\ (4,2),\ (4,-2),\ (9,3)\right\}$$

$$\left\{(3,4),\ (3,5),\ (3,6),\ (3,7),\ (3,8)\right\}$$

$$\left\{(2,4),\ (3,4),\ (4,4,),\ (5,4),\ (6,4)\right\}$$

$$\left\{(1,2),\ (2,3),\ (3,4),\ (4,5),\ (4,6)\right\}$$

III only

I and III only

II and IV only

I, II, and IV only

$$\frac{5}{2}$$

$$\frac{2}{5}$$

$$-\frac{5}{2}$$

$$-\frac{2}{5}$$

$$y=\frac{3}{5}x+2$$

$$y=\frac{5}{3}x+2$$

$$y=-\frac{3}{5}x+2$$

$$y=-\frac{5}{3}x+2$$

$$\left(3,\ -2\right)$$

$$\left(2,\ -3\right)$$

$$\left(-1,\ 3\right)$$

$$\left(2,\ 2\right)$$

$$\left(0,\ 5\right)$$

$$\left(3,\ 0\right)$$

$$\left(3,\ 5\right)$$

$$\left(5,\ 0\right)$$

$108

$500

$780

$970

Vegetable is an element in the domain.

Orange is an element in the domain.

This relation is not a function.

Kiwi is an element in the range.

$$-\frac{2}{3}$$

$$-\frac{3}{2}$$

$$\frac{2}{3}$$

$$\frac{3}{2}$$

$$\frac{3}{2}$$

$$-\frac{2}{3}$$

$$\frac{2}{3}$$

$$-\frac{3}{2}$$