Question

Which expression are equivalent to the one below? check all that apply. 3^x

A. 18^x/3

B. 3•3^x-1

C. 3•3^x+1

D. 18^x/6^x

E. x^3

F. (18/6)^x

Answer 1

`B.\ 3\cdot3^(x-1)=3^(1+x-1)=3^x\ \ /\text{used:}\ a^n\cdot a^m=a^(n+m)/\\\\F.\ \left((18)/(6)\right)^x=3^x`