Answer:
the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis
Angle 1 is an angle of depression because you start off looking directly horizontal and you look down to aim at the ground
Angle 3 is an angle of elevation. You start looking horizontally and then you look up
712 is divisible by two because it ends in two.