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OpenStudy (anonymous):
Let f(x)=log2(5x)-3. Find f^-1(6).
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OpenStudy (anonymous):
x = log2(5y) -3 6 = log 2(5y) -3 9 = log 2(5y)
OpenStudy (anonymous):
so the final answer is 9=log2(5y)?
OpenStudy (anonymous):
No there are more algebra on simplifying it
OpenStudy (anonymous):
so i shoudnt leave it as is?
OpenStudy (anonymous):
no you need to isolate y
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OpenStudy (anonymous):
9/(log2(5)) = y
OpenStudy (anonymous):
ok thanks for all the help. i really appreciate it.
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