Question

16) Find the value of f(x) = 5x-4x2+3 at x=2.
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Answer 1

Answer:

CORRECT QUESTION

Find the value of the polynomial f(x) = 5x-4x2+3 at x=2.

ANSWER

$\red{f(x) = 5x - 4 {x}^{2} + 3} \\ \\ \blue{f(2) = 5 \times (2) - 4 \times (2)^{2} + 3} \\ \\ \blue{10 - 16 + 3 = - 3} \\ \\ - 3 \: is \: the \: answer$

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