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Suppose f(x)=2^x. If f(x)=1/64, what is x?

 Sep 5, 2016

Best Answer 

 #3
avatar+99282 
+5

Thanks Alan,

Yes I am dyslexic.  ://

Do it Alans' way :))

 Sep 5, 2016
 #1
avatar+99282 
+5

Suppose f(x)=2^x. If f(x)=1/64, what is x?

 

\(x=\pm\frac{1}{8}\)

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 Sep 5, 2016
 #2
avatar+27541 
+6

I think Melody has read this as x^2 = 1/64.

 

For 2^x = 1/64 then x = -6              (2^-6 → 1/2^6 → 1/64)

.

.

 Sep 5, 2016
 #3
avatar+99282 
+5
Best Answer

Thanks Alan,

Yes I am dyslexic.  ://

Do it Alans' way :))

Melody  Sep 5, 2016
 #4
avatar+1368 
0

Hi Miss Melody,

 

I have a little dyslexia too. It is rather annoying, but it’s better than Lexidysa. The other two permutations are much better and I wouldn’t mind having them.smiley

 Sep 5, 2016
edited by GingerAle  Sep 5, 2016

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