True or false: f(x) is a function.
f(x)

Pls , the question is in the picture!

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.