Which function represents exponential decay?
a. f(x) =1/2 (3/2)^x
b. f(x) =1/2 (-3/2)^x
c. f(x) =4 (-2/3)^x
d. f(x) = 4 (2/3)^x
Which function represents exponential decay?
a. f(x) =1/2 (3/2)^x
b. f(x) =1/2 (-3/2)^x
c. f(x) =4 (-2/3)^x
d. f(x) = 4 (2/3)^x