A cave explorer descends at a rate of 10m/min. Which expression cannot be used to find her depth after 5 min? * 1 point
a.(-10) + (-10) + (-10) + (-10) + (-10)
b.-10(5)
c.-10/5
d.-10 – 10 – 10 – 10 – 10

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.