Question

A table of data is given. x f(x) −2 128 −1 27 0 5 1 1 2 0.1
Which exponential model best represents the data?
f(x) = 5(1.2)x
f(x) = 5(0.2)x
f(x) = 2(5)x
f(x) = 2(0.5)x