Which of the following could represent an exponential function of the form y=f(x) = A.bx, where b>1? 1. II. III. x y = f(x) -2 40 -1 20 15 2 2.5 |x y = f(x) -2 -2.5 -1-5 1 -20 2 -40 I only II only III only and I only 40T 30+ 20+ 10+ 2 4

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