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WINSTONCH [101]
3 years ago
5

The domain of F(x)=log[b]x is the set of all real numbers. True or false?

Mathematics
1 answer:
tia_tia [17]3 years ago
6 0
f(x)=log_bx\\\\D=\mathbb{R}\ is\ false.\\\\correct\ domain:D:x\in\mathbb{R^+}\ and\ b\in\mathbb{R^+}\ and\ b\neq1.
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Answer: P(26,5).

That is all the possible combinations of 5 letters made out from 26 letters.

That is 26! / [ 5! ( 26 - 5)! ] = 26! / [5! 21! ] = 26*25*24*23*22*21! / [ 5! 21!] =

= 26*25*24*23*22 / [5*4*3*2*1] = 65,780 arrangements.


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Step-by-step explanation:

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vekshin1

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Step-by-step explanation:

Simplified expression:

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Hope this helps!

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