SOLUTION: Suppose that the graph of f(x)=Ca^x passes through the points (2, 15.1875) and (3, 34.171875). Find a formula for f(x). f(x) =

Algebra ->  Exponents -> SOLUTION: Suppose that the graph of f(x)=Ca^x passes through the points (2, 15.1875) and (3, 34.171875). Find a formula for f(x). f(x) =       Log On


   

Question 204431: Suppose that the graph of f(x)=Ca^x passes through the points (2, 15.1875) and (3, 34.171875). Find a formula for f(x).
f(x) =
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
15.1875 = Ca^2

34.171875 = Ca^3

dividing the equations ___ 2.25 = a

substituting ___ 15.1875 = C(2.25^2) ___ 3 = C