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
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{{{log(4,(x-1)^3)=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)