katehydeouqhjb katehydeouqhjb
  • 22-08-2017
  • Mathematics
contestada

f(x) = log base 3 (x+1) what is f^-1 (2)

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wtavery wtavery
  • 22-08-2017
42 girls +63 boys =105 altogether. I need you to guide me thru the process.
1+5 =6.


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Аноним Аноним
  • 22-08-2017
F(x) = log3 (x + 1)

so (x + 1) = 3^(F(x))   ( by the definition of logarithms)

x = 3^(Fx)  -  1

F-1(x) =  3^x - 1

F(-1 (2) = 3^2 - 1 = 8

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