What are the three steps to writing an exponential equation from a graph, according to the video?

1. Make a table using points from the graph. 2. Find the growth rate and starting value. 3. Write the equation y = a * b^x.

In the exponential equation y = a * b^x, what do 'a' and 'b' represent?

'a' represents the starting value or y-intercept, and 'b' represents the growth rate.

The growth rate is calculated by dividing the 'new' y-value by the 'old' y-value (new / old).

The y-intercept represents the starting value (a) in the equation y = a * b^x.

I can write an exponential equation to represent a graphed function.

1
The general form of an exponential function is y = a * b^x, where 'a' represents the starting value or y-intercept and 'b' represents the growth rate.
2
To write an exponential function from a graph, first create a table using points from the graph, then find the growth rate and starting value.
3
The growth rate ('b') can be found by dividing the 'new' y-value by the 'old' y-value, using the formula new/old, and the y-intercept is the value of 'y' when x is zero.