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(6 x la peterea a 2-3x+4):(2x-7)=?
Raspundeti va rog dau si coroana


Răspuns :

[tex]\it E(x) = \dfrac{6x^2-3x+4}{2x-7} [/tex]

[tex]\it x = 1\dfrac{1}{2} = \dfrac{3}{2} = 1,5 [/tex]

[tex]\it E(1,5) = \dfrac{6\cdot1,5^2-3\cdot1,5+4}{2\cdot1,5-7} =\dfrac{6\cdot2,25 -4,5+4}{3-7} = \\\;\\ =-\dfrac{\it13}{\it4} = - \it 3,25\ .[/tex]