SOLUTION: Find the function problem? The graph of an exponential function f. The graph has a y-intercept of (0, 3), asymptote y = 0 and passes through the point (2, 12). Find the function

Algebra ->  Functions -> SOLUTION: Find the function problem? The graph of an exponential function f. The graph has a y-intercept of (0, 3), asymptote y = 0 and passes through the point (2, 12). Find the function      Log On


   



Question 954625: Find the function problem?
The graph of an exponential function f. The graph has a y-intercept of (0, 3), asymptote y = 0 and passes through the point (2, 12). Find the function

Please explain I need to understand
Thanks!

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
y=a%2Ab%5Ex the model to try using.

The two points will give you
3=a%2Ab%5E0, 3=a
and then
12=a%2Ab%5E2
12=3%2Ab%5E2
4=b%5E2
b=2

Put it all-together:
highlight%28y=3%2A2%5Ex%29