Been there, done that:
http://www.jiskha.com/display.cgi?id=1440890314
Let f(t) = Q0at = Q0(1 + r)t.
f(7) = 75.94 and f(9) = 91.89
(a) Find the base, a. (Round your answer to two decimal place.)
a =
I honestly have no idea how to approach these problems. I wrote out the different equations:
75.94 = Q0a^7 and
91.89 = Q0a^9 but I don't know where to go from here for the first part.
(b) Find the percentage growth rate, r. (Round your answer to the nearest percent.)
r = %
75.94=Q0(1+r)^7 and
91.89=Q0(1+r)^9 but once again, I do not know where to go from here.
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