Mathematics
Cha1
2015-11-11 15:16:57
f(x) = log base 3 (x+1) what is f^-1 (2)
ANSWERS
Gren
2015-11-11 20:10:18

42 girls +63 boys =105 altogether. I need you to guide me thru the process. 1+5 =6.

yoboo
2015-11-11 20:11:33

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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