5^2 + (-15) ÷ (-3) + 20 solve using pemdas showing work

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Which strategy is used by public health to reduce the incidence of food poisoning?

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.