Below is the graph of f(x) = 3 log10 m. How would you describe the graph of g(x)= 9 log10 x?
3+
2
1
-3
-2
-1
2
3
4
5
-
-2-
-3
O A. g(x) shifts f(x) to the right 3 units.
B. g(x) shifts f(x) up 3 units.
C. g(x) compresses f(x) by a factor of 3.
D. g(x) stretches f(x) vertically by a factor of 3