Ahiker wants to determine the height of a tree. she measures the tree's shadow to be 20.7 meters long. her own shadow at the same time is 1.8 meters long. if the hiker is 1.7 meters tall, how tall is the tree?

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.