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OpenStudy (anonymous):
Evaluate f(1) using substitution: f(x)=2x³-3x²-18x+8
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OpenStudy (amistre64):
so ... when x=1
OpenStudy (amistre64):
anything times 1 is itself so we can just ignore the xs and add up the numbers really
OpenStudy (amistre64):
2-3-18+8
OpenStudy (anonymous):
-11?
OpenStudy (cwrw238):
yup
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