What is 4-2+3+6? Plz add the work and what you did thx

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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.

How many 2/5s are in 1 and 1/2 plz someone me right now