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ItsAlix13
ItsAlix13 ItsAlix13
  • 26-07-2016
  • Mathematics
Answered

For which values of x is the function y = 5 / (x-4)(x+5) not defined? Select all that apply.

A-5
B-4
C4
D5

Verified Answer :

dalendrk
dalendrk dalendrk
  • 01-08-2016

\(f(x)=\dfrac{5}{(x-4)(x+5)}\\\\(x-4)(x+5) eq0\iff x-4 eq0\ and\ x+5=0\\\\x eq4\ and\ x eq-5\\\\Answer:\boxed{-5\ and\ 4}\)

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