Which function is linear? y = 1 / (x + 2) y = x + 2 y = 1/x + 2 y = (x + 2) / (x - 2)

Question

Billie

Mathematics

25 July, 19:28

Which function is linear? y = 1 / (x + 2) y = x + 2 y = 1/x + 2 y = (x + 2) / (x - 2)

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Karissa Faulkner · Answer 1

Linear functions are the ones whose graph is a straight line. So if you graph all the answers into desmos you will see which ones are not linear.

y=x+2 is linear.

y=1 / (x+2) is the same as y=1/x+2 and those are rational functions