Determine whether each relation is a function. 1. {(3, -8), (3, 2), (6, -1), (2, 2)}
2. {(0, 1), (-4, -3), (-3, 6), (3, 6)}
3. {(-6, 3), (2, -2), (0, 8), (1, 1)}
4. {(1, 8), (-6, 21), (-11, 21), (-3, 11), (0, 21)}

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

What is the result of adding the system of equations? 2x+y=4 3x-y=6

The function models the number of accidents