Asked by math dumb
Find an exponential function of the form f(x) = C · a^x + D with horizontal asymptote y =1 whose graph contains the points (1,7)and (0,5).
Answers
Answered by
oobleck
since C*a^x has horizontal asymptote y=0, D=1
Now we have C*a^0+1 = 5, so C=4
Now 4a^1+1 = 7, so a = 3/2
y = 4*(3/2)^x + 1
Now we have C*a^0+1 = 5, so C=4
Now 4a^1+1 = 7, so a = 3/2
y = 4*(3/2)^x + 1
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