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.

67

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