Asked by Mason

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 compression by a factor of 12
.
The graph is a horizontal 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 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 .

All Answers 1

Answered by GPT-5 mini AI
The graph is a horizontal compression by a factor of 1/2 (cos x has period 2π; cos(2x) has period π, so it is compressed horizontally by half).