Suatu fungsi f(x)=2x-4,dengan domain fungsi=(0,1,2,3,5,6),maka tentukan: a. Range b. Himpunan pasangan berurutan

[tex]\text{Range:}\\x=0\rightarrow f(0)=-4\\x=1\rightarrow f(1)=-2\\x=2\rightarrow f(2)=0\\x=3\rightarrow f(3)=2\\x=5\rightarrow f(5)=6\\x=6\rightarrow f(6)=8\\R=\lbrace-4,-2,0,2,6,8\rbrace\\(x,y)=\lbrace(0,-4),(1,-2),(2,0),(3,2),(5,6),(6,8)\rbrace[/tex]