mrmindy05 mrmindy05
  • 21-07-2017
  • Mathematics
contestada

Which statement is true?

Which statement is true class=

Respuesta :

ghanami
ghanami ghanami
  • 24-07-2017
hello : 
f(x) = 9x-6
g(x) =√(x-4)
(f0g)(x) = f(g(x)) exist if  g(x) exist  and    f(g(x)) exist.
g(1) no exist because :  √(1-4) =√(-3) ... no real
conclusion : 1 is not in the domain of : f0g
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