SOLUTION: Write an exponential function in the form y=ab^x that goes through points (0, 20) and (8, 5120).
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Question 1172222: Write an exponential function in the form y=ab^x that goes through points (0, 20) and (8, 5120).
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
y=ab^x
20=ab^0=a
so y=20ab^x
5120=20b^x
256=b^x
can recognize that 256 is 2^8
so the equation is y=20*2^x
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