lalamcg115
lalamcg115 lalamcg115
  • 23-02-2021
  • Mathematics
contestada

Write a rule for the linear function in the table.



x
1
2
3
4

f(x)
3
2
1
0



f(x) = x + 4


f(x) = 4x


f(x) = x – 4


f(x) = 4 – x

Respuesta :

manhartbilly manhartbilly
  • 24-02-2021

Answer:

f(x) = 4 - x

Step-by-step explanation:

'f(x) = blah-blah' is the same as saying 'y = blah-blah', except it is also telling you that the x-y relationship is a function.

I notice that for each case, x + y = 4, so    y = 4 - x

Or in 'function' terminology,                       f(x) = 4 - x

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