SOLUTION: Question: Write an exponential function, y=ab^x for a graph that includes points at (1, 12) and (2, 36).
I do not understand how to find this. Can you please show me the steps an
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Question 191371: Question: Write an exponential function, y=ab^x for a graph that includes points at (1, 12) and (2, 36).
I do not understand how to find this. Can you please show me the steps and answer?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.
Plug in and . These are the x and y coordinates to the point (1,12)
Simplify
Divide both sides by "a".
Rearrange the equation
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Go back to the given equation.
Plug in and . These are the x and y coordinates to the point (2,36)
Plug in
Square to get
Multiply
Reduce
Multiply both sides by "a".
Divide both sides by 36.
Reduce
-----------------------
Go back to the first isolated equation
Plug in
Reduce
So the exponential equation is
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