What is the exponential regression equation that fits these data

What is the distance between (–2 1/2,-3) and (1, –3)?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?