Describe the graph of the function f(x)=cos(2x) as a transformation of its parent function.(1 point) Responses The graph is a horizontal stretch by a factor of 2. The graph is a horizontal stretch by a factor of 2. The graph is a vertical compression by a factor of 12. The graph is a vertical compression by a factor of Start Fraction 1 over 2 End Fraction . The graph is a vertical stretch by a factor of 2. The graph is a vertical stretch by a factor of 2. The graph is a horizontal compression by a factor of 12. The graph is a horizontal compression by a factor of Start Fraction 1 over 2 End Fraction .