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Well then i am new here and can tell i am going to spend quite some time here aswell :)
I need some help with Finding Logarithmic/exponential equations from points on a graph.
In general, says my math book, you need 2 points on a graph to find 2 unknowns.
fair enough..i covered that all fine.
but now we have 3 unknowns..with 2 points and 1 asymptote
i know an asymptote is a line that the graph approaches but never meets...
i can therefore pick a point and with quite a large amount of accuracy say that that is the 3rd point
for example
say if the graph is traveling close to the asymptote, x = 3 at anything above y = 8 then i just pick a y value(above 8) and assume the x value to be 3.
and i would have a third point....i dont haveto get the answer to 100 decimal places so assuming the x value to be 3 would make quite an accurate answer.
anyways..i have uploaded the question for u to look at...its question 8
I need some help with Finding Logarithmic/exponential equations from points on a graph.
In general, says my math book, you need 2 points on a graph to find 2 unknowns.
fair enough..i covered that all fine.
but now we have 3 unknowns..with 2 points and 1 asymptote
i know an asymptote is a line that the graph approaches but never meets...
i can therefore pick a point and with quite a large amount of accuracy say that that is the 3rd point
for example
say if the graph is traveling close to the asymptote, x = 3 at anything above y = 8 then i just pick a y value(above 8) and assume the x value to be 3.
and i would have a third point....i dont haveto get the answer to 100 decimal places so assuming the x value to be 3 would make quite an accurate answer.
anyways..i have uploaded the question for u to look at...its question 8
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