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22-10-2018
Mathematics

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Find an algebraic representation for an exponential function if it is known that f(0)=30 and f(2)=18

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Аноним Аноним

22-10-2018

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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