Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Describe how to obtain the graph of the given monomial function from the graph of g(x) = xn with the same power n.
- $$f ( x ) = 9 x ^ { 3 }$$

A) Vertically stretch by a factor of 9
B) Horizontally stretch by a factor of 9
C) Horizontally stretch by a factor of 9 , and then reflect across $x$ -axis
D) Vertically stretch by a factor of 9 , and then reflect across $x$ -axis