SOLUTION: write an exponential function for the graph that passes through the points (0,5)and(4,3125)

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: write an exponential function for the graph that passes through the points (0,5)and(4,3125)       Log On


   

Question 1078459: write an exponential function for the graph that passes through the points
(0,5)and(4,3125)

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
y=ab^x
5=ab^0, b^0=1, so a=5
3125=5*b^4
625=b^4
b=5
function is y=5b^x