Does the following table represent an exponential decay or growth function?

Which of the following is the formula for the sequence graphed below

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

Find the roots of the equation below. x^2 - 6 + 9 = 0