SOLUTION: What is the value of x in the equation log4(x-1)^3=9? A. x=27 B. x=64 C. x=65 D. x=81

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: What is the value of x in the equation log4(x-1)^3=9? A. x=27 B. x=64 C. x=65 D. x=81      Log On


   

Question 834659: What is the value of x in the equation log4(x-1)^3=9?
A. x=27
B. x=64
C. x=65
D. x=81
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
What is the value of x in the equation log4(x-1)^3=9?
A. x=27
B. x=64
C. x=65
D. x=81
***
log%284%2C%28x-1%29%5E3%29=9
4^9=(x-1)^3
raise both sides to the (1/3) power
4^3=x-1
x-1=64
x=65 (ans.C)