SOLUTION: Write an exponential function of the form y=ab^x that has a graph through the given points. (1,1), (2,3)

Algebra ->  Exponents -> SOLUTION: Write an exponential function of the form y=ab^x that has a graph through the given points. (1,1), (2,3)      Log On


   

Question 306168: Write an exponential function of the form y=ab^x that has a graph through the given points.
(1,1), (2,3)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Point 1: +1=ab%5E1
Point 2:+3=ab%5E2
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+ab%5E2%2Fab=3%2F1
b=3
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+ab=1+
+a%283%29=1
+a=1%2F3
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+y=%281%2F3%293%5Ex=3%5E%28x-1%29