brucebaner
  • brucebaner
help me @arek
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
brucebaner
  • brucebaner
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brucebaner
  • brucebaner
B?
welshfella
  • welshfella
Hint: functions are either one-to-one or many-to-one NOT one- to- many so if you see 2 or more pairs in which the first number is the same and the second number is different then its one-to-many and not a function.

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anonymous
  • anonymous
do the vertical line test. you can't have 2 points with the same x coordinate
welshfella
  • welshfella
no not B as you have (-2,3) and ( -2,1)
brucebaner
  • brucebaner
A?
welshfella
  • welshfella
yes
brucebaner
  • brucebaner
thx can you help me with more?
welshfella
  • welshfella
ok but i only have 10 minutes

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