Question 121167: The graph of an exponential function of the form y=a(b)^x passes through the points (1,2.8) and (2,3.92). What is the value of b? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The graph of an exponential function of the form y=a(b)^x passes through the points (1,2.8) and (2,3.92). What is the value of b?
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Substitute into y = a(b^x) to get two equations:
3.92=a*b^2
2.8 =a*b
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Divide the 2nd equation into the 1st to get:
b = 3.92/2.8
b = 1.4
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Cheers,
Stan H.
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