Given g(x)=-x-1 find g(-4)

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a.m. if he arrives at the gate at 11: 45 p.m., can he board the flight?

Select the graph of the solution. click until the correct graph appears. |x| = 3

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.