ใบงานที่ 4
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This document contains an assignment with 4 problems to find the domain and range of different mathematical relationships. The student is asked to write out the domain and range for relationships involving functions of the form y=f(x) where f(x) is a quadratic or linear expression. The student is also asked to determine domain and range by examining the graphs of 2 of the relationships.
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ใบงานที่ 4
- 1. ใบงานที่ 4 ชื่อ.....................................................................................ชั้น.....................เลขที่........... 1. จงหาโดเมนและเรนจ์ของความสัมพันธ์ต่อไปนี้ 1) r (x, y) y x 2 ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... 2) r (x, y) y x2 1 ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... 3) r (x, y) y 9 x2 ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... .............................................................................................................................. ....... ............................................................................................................................ ......... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... .....................................................................................................................................
- 2. 2 4) r 5x 2 (x, y) y 9 ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... 2. จงหาโดเมนและเรนจ์ของความสัมพันธ์ต่อไปนี้ โดยพิจารณาจากกราฟของความสัมพันธ์ 1) r (x, y) y x 2 ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ................................................................................................................................. .... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... 2) r (x, y) y x2 1 ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... .......................................................................................................................... ........... .....................................................................................................................................