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olchik [2.2K]
3 years ago
9

Determine whether there a function or not a function

Mathematics
2 answers:
lora16 [44]3 years ago
8 0

Answer:

21 is a function but 20 is not

nordsb [41]3 years ago
7 0

Answer:

20 no

21 yes

if you draw a line parallel with y axes

if it cut graph in two points or more than it's not function

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