Questions: (b) The graph of y=g(x) is shown. Draw the graph of y=g(2x).
Transcript text: (b) The graph of $y=g(x)$ is shown. Draw the graph of $y=g(2 x)$.
Solution
Solution Steps
Step 1: Identify the key points of the original graph
The original graph y=g(x) has vertices at (−4,2), (−2,−2) and (0,0).
Step 2: Apply the transformation
The transformation y=g(2x) is a horizontal compression by a factor of 21. This means the x-coordinates of the original graph are multiplied by 21, while the y-coordinates remain the same.
Step 3: Calculate the transformed points
(−4,2) transforms to (−4×21,2)=(−2,2)
(−2,−2) transforms to (−2×21,−2)=(−1,−2)
(0,0) transforms to (0×21,0)=(0,0)
Step 4: Plot the transformed points and draw the graph
Plot the points (−2,2), (−1,−2), and (0,0) on the coordinate plane. Connect these points to form the graph of y=g(2x).
Final Answer
The graph of y=g(2x) has vertices at (−2,2), (−1,−2), and (0,0). It is a horizontally compressed version of the original graph.