write an exponential function in the form y=ab^xy=ab x that goes through points (0, 19) and (2,171)

Answer 1

y = ab^x

Plug in the numbers from the 2 given points to find a and b.

19 = ab⁰ = a

a = 19

171 = 19b²

b = 3

y = 19 (3)^x