Consider the following system of linear inequalities and corresponding graph: y ≥ x + 1
x > -6
y ≤ 4

Which of the following points is a solution to this system of linear inequalities?

The path traveled by a bottlenose dolphin as it jumps out of water is modeled by the equation y=-0.4+3x, where t is the height above water and x is the horizontal distance in feet. if a beam of light is shone upward at an angle modeled by the equation x+y=10, at what height from the waters surface will the beam of light hit the dolphin