Explicación paso a paso:
[tex]2 {x}^{2} - 3x + 1 = f(x) \\ 2( {3}^{2} ) - 3(3) + 1 = f(3) \\ 2(9) - 9+ 1 = f(3) \\ 18 - 8 = f(3) \\ 10 = f(3 ) \\ f( - 4) = 2( { - 4)}^{2} - 3( - 4) + 1 \\ f( - 4) = 2(16) + 12 + 1 \\ f( - 4) = 32 + 13 = 45[/tex]
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Explicación paso a paso:
[tex]2 {x}^{2} - 3x + 1 = f(x) \\ 2( {3}^{2} ) - 3(3) + 1 = f(3) \\ 2(9) - 9+ 1 = f(3) \\ 18 - 8 = f(3) \\ 10 = f(3 ) \\ f( - 4) = 2( { - 4)}^{2} - 3( - 4) + 1 \\ f( - 4) = 2(16) + 12 + 1 \\ f( - 4) = 32 + 13 = 45[/tex]