ChinaGurl
Write a function rule for the table.
f(x)
2
–8
3
–12
4
–16
5
–20
Delete
Share
This Question is Closed
Hunus
Best Response
You've already chosen the best response.
3
are those alternating x and y values?
ChinaGurl
Best Response
You've already chosen the best response.
0
ChinaGurl
Best Response
You've already chosen the best response.
0
^CHECK THAT OUT
Hunus
Best Response
You've already chosen the best response.
3
if
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
anonymous
Best Response
You've already chosen the best response.
0
looks like
\[f(x)=-4x\]
ChinaGurl
Best Response
You've already chosen the best response.
0
Is it A or C?
Hunus
Best Response
You've already chosen the best response.
3
A.