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ChinaGurl
 3 years ago
Write a function rule for the table.
f(x)
2
–8
3
–12
4
–16
5
–20
ChinaGurl
 3 years ago
Write a function rule for the table. f(x) 2 –8 3 –12 4 –16 5 –20

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Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3are those alternating x and y values?

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3if f(2)=8 f(3)=12 f(4)=16 f(5)=20 The values are changing linearly so we know that the function has a rule of the form f(x) = cx f(2)=2x=8 x=4 thus the rule for the function x is to multiply x by negative 4

satellite73
 3 years ago
Best ResponseYou've already chosen the best response.0looks like \[f(x)=4x\]
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