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Let f and g be two functions given by f=...

Let f and g be two functions given by `f={(0, 1), (2, 0), (3, -4), (4, 2), (5, 7)}`
`g(x)={(0, 2), (1, 0), (2, 4), (-4, 2), (7, 0)` then the range of fog is ___.

A

`{0,2,3,4,5}`

B

`{-4,1,0,2,7}`

C

`{1,2,3,4,5}`

D

`{0,1,2}`

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