If \( \mathrm{p}(\mathrm{x})=\mathrm{x}^{2}-4 \mathrm{x}+3 \), evaluate \( \mathrm{p}(2)-\mathrm...
If \( \mathrm{p}(\mathrm{x})=\mathrm{x}^{2}-4 \mathrm{x}+3 \), evaluate \( \mathrm{p}(2)-\mathrm{p}(-1)+\mathrm{p}\left(\frac{1}{2}\right) \)
a. \( \frac{7}{4} \)
b. \( \frac{-7}{4} \)
c. \( \frac{-31}{4} \)
d. \( \frac{31}{4} \)
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