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Mathematics
24 July, 15:07
Y=f (x) = - 4x find f (x) when x=-3
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Alessandra Barber
24 July, 15:18
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F (x) = - 4x x=-3 Y=f (x)
replace - 3 for x so it would then look like: f (x) = - 4 (-3)
Distribute - 4 to - 3
Answer is f (x) = 12
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Nola Freeman
24 July, 15:32
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So your equation is f (x) = - 4x
If your x=-3, you can rewrite your equation as
f (x) = - 4 (-3)
To find your answer, simply multiply - 4 x - 3 and your answer should come to an answer of - 12
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