Respuesta :

Answer:

f(x) = 30(0.7746)^x

Step-by-step explanation:

30 (y)^0 = 30

30(y)^2 = 18   We need to find the value of y.

y^2 = 18/30 = 0.6

y = sqrt0.6 = 0.7746

so the exponential function is  30(0.7746)^x


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