Question

What is the solution to this equation?

9 ^x- 1 = 2
O A. 1
O B. 2
O C.
1/2
OD. -1/2

Answer 1

9^x-1=2

Add 1 to both sides

Take log of both sides


X=log 3(3)/log 3 (9)


Solve

Solution


X=1/2