The graph of function h is shown (in the picture) I'm fairly sure there supposed to connect, but they won't. Anyone know why?

[Original Equation: h(x) = {-x^2-6x-9 x<-2
{(1/3)^x -4 -2 ≤ x ≤ 2
{1/2x -4 x>2

What is this inequality notation? t is less then or equal to 2

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

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%