**??? - 2015 JUNE Q6**

(i) On the same axes, sketch the curves

(ii) Given that

*y*= 3^{x}and*y*= 3^{2x}, identifying clearly which is which. [3](ii) Given that

*y*= 3^{2x}= 729, find in either order the values of 3^{x}and*x*. [2]