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Mathematics 8 Online
OpenStudy (mikieandjj):

use the function rule,y=2x+5,to find the values of y when x=1,2,3 and 4. write the answer as ordered pairs that would be used to graph the function

OpenStudy (campbell_st):

just substitute x = 1 \[y = 2 \times 1 + 5\] so y = 7 and the ordered pair is (1, 7) repeat the process for x =2 then x = 3 and lastly x = 4 hope it helps

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