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Johnathan Randall
Mathematics
18 June, 10:41
Find f (-1) if f (x) = -3x-5
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Toots
18 June, 11:04
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Use the substitution method
f (x) = -3x-5
f (-1) = 3 (-1) - 5
Do the bracket first then - 5
-3-5
f (-1) = -8
Answer: f (-1) = -8
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