Asked by Sydney

find (-4) when f(x) = 4-2x
f(-4)+4-2
f(-4)=-2 Is that correct I am having a hard time with this and I know it so easy my brain is frozen...
Answered by rachel
f(-4)=4-2(-4)
f(-4)=4+8
f(-4)=12

you must be bored of me by now..haha!
Answered by Heather
did you mean "find f(-4)"? if you did, you plug in (-4) for x and you get that f(-4)=4-2(-4)=12
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