Question 6911: Dear Sir/Madam,
I am confronted with the following problem:
"Find an exponential function of the form f(x) = a * e^(b/x) + c that has y-intercept (0,5), a horizontal asymptote y = 3, and whose graph passes through the point (4,10)."
I don't know how to use the fact that the function has a horizontal asymptote at y = 3 in order to solve this question. I know that the horizontal asymptote means that the function will never be equal to 3, but other than that, I don't know how to use it. Can you help me?
Thanks in advance.
Regards,
-Mike
Note: This is another question I had already previously asked, and did not receive a comprehendable (at least not for me) answer for. Please could somebody walk me through this? Thanks so much.
Answer by longjonsilver(2297)   (Show Source):
You can put this solution on YOUR website! first thing Mike..you say b/x as the power. Is this correct? or do you mean bx or even x/b? I only ask because using (0,5), gives an infinite power.
Jon.
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