Write a possible exponential function in
‑intercept of and passes through the point .
Since it has an initial value of
, the value of is .
Substitute this into the general equation:
Substitute the values
for and for , then solve for .
Passes through the points
Create two equations substituting the values of the ordered pairs for
and into the equation .
Solve the system of equations for
Be sure you use your results for
and to write the equation.