lee113
lee113
12-07-2017
Mathematics
contestada
If f(x) = x^2 + x, find f(-3)
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sergibcnusa
sergibcnusa
12-07-2017
6, because f(-3)= (-3)^2+(-3) = 9-3. Remember to view f(x) as a 'machine' with a slot. Wherever ther's an 'x' put the value.
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bcalle
bcalle
12-07-2017
f(x) = x^2 + x
f(-3) = (-3)^2 + (-3)
f(-3) = 9 - 3
f(-3) = 6
Answer Link
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