1.2 Review Worksheet (continued)
Use a table to perform each transformation of y = f ( x ). Use the same coordinate plane as the original function. 21. translation 2 units down
4
f
22. reflection across the x -axis
23. translation 3 units right
24. reflection across the y -axis
25. vertical compression by a factor of 2 3
26. horizontal compression by a factor of 1 2
27. horizontal stretch by a factor of 3 2
28. vertical stretch by a factor of 2
Web Page Hosting
The graph shows the cost of Web page hosting depending on the Web space used. Sketch a graph to represent each situation and identify the transformation of the original graph that it represents. 29. The prices are reduced by $5.
20 40 60 80
50 Web space (MB) 75 100
0 25
30. The prices are discounted by 25%.
31. A special is offered for double the amount of Web space for the same price.
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