# How do you write an exponential function whose graph passes through (0,-0.3) and (5,-9.6)?

##### 1 Answer

Nov 3, 2016

Please see the explanation for steps leading to a solution.

#### Explanation:

An exponential function is:

We can find the value of C, using the point

We can use the point

Divide both side by

Take the natural logarithm of both sides, to make the exponential disappear:

Divide both sides by 5:

The above is the same as

The exponential function is: