Can y=-8 be a function? Why or why not?
Y = -8 is the Eq of a hor. line 8 units
below the x-axis. Using the vertical line test, a vertical line drawn through
the line will cross it only once. Therefore, the line is a function.
below the x-axis. Using the vertical line test, a vertical line drawn through
the line will cross it only once. Therefore, the line is a function.