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05-11-2018
Mathematics

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Given f(x)=3x2−5x−2 .

What is the value of f(−23) ?

Respuesta :

05-11-2018

[tex]f(x) = {3x}^{2} - 5x - 2 \\ f( - 23) = ... \\ f( - 23) \: means \: x = - 23 \\ so \: f( - 23) = {3( - 23)}^{2} - 5( - 23) - 2 \\ = 3(529) + 115 - 2 \\ = 1700[/tex]

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