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se Home Use the derivative to find the vertex of the parabola. y=2x2 + 4x + 3 lework zes & Tests O A. (1,1) O B. (-1,-1) O C.
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Solo: Given y= 2x²+41+3 die een (22°+42+3) dy = 42 +4 he ho 4x+420 40=-4 i a=-414 [a=-1 put a value in y=20²74043 y= 24-0+46- • Vester of the parabola (2,4)= (-1, 1) Checking with formula ar zbat CEO as 24+424370 Verter = -b ca a=-4 2(2) x 3 -1 y= 2(-

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