1. look closely at the interval (- ∞, 0) in the graph. describe what is happening to the rate of change as the x values get closer to 0.

2. describe an interval where the function is increasing most rapidly.

describe either one

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.