Question

Polynomial Value of 5x-4x^2+3 at (x)=1/2

Answer 1

Answer:

$p(x) = 5x - 4 {x}^{2} + 3 \\ p( \frac{1}{2} ) = 5( \frac{1}{2} ) - 4( \frac{1}{2})^{2} + 3 \\ \: \: \: \: \: \: \: \: \: \: \: = \frac{5}{2} - 4( \frac{1}{4} ) + 3 \\ \: \: \: \: \: \: \: \: \: \: \: = \frac{5}{2} - 1 + 3 \\ \: \: \: \: \: \: \: \: \: \: \: = \frac{5}{2} + 2 \\ \: \: \: \: \: \: \: \: \: \: \: = \frac{5 + 4}{2} \\ \: \: \: \: \: \: \: \: \: \: \: = \frac{9}{2}$

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