SOLUTION: Find the exponential function f(x)=a^x whose graph goes through the point (3,1/125). a= I have no idea how to go about finding the equation :S

Algebra ->  Exponents -> SOLUTION: Find the exponential function f(x)=a^x whose graph goes through the point (3,1/125). a= I have no idea how to go about finding the equation :S      Log On


   

Question 204416: Find the exponential function f(x)=a^x whose graph goes through the point (3,1/125).
a=
I have no idea how to go about finding the equation :S
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
graph coordinates are (x , y) or (x , f(x))

1/125 = a^3

5 is the cube root of 125, so ___ 1/5 = a