PLEASE HELP!!
Let f(x) = 8(3)^x The graph is stretched vertically by a factor of 3 to form the graph g(x). Choose the equation of g(x)

Answers:

a: g(x)=8(9)^x
b: g(x)=3(3)^x
c: g(x)=24(3)^x
d: g(x)=11(3)^x