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Write an exponential function in the form y=ab^x that goes through points (0,4) and (2,324)

 Mar 3, 2021
 #1
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y = abx      sub in 0,4

4 = ab0

4= a

 

Now use the second point

324 = 4 b2

b = 9

 

y = 4 * 9x

 Mar 3, 2021

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