19. Which of the following illustrative equations will give a slope 10 of the tangent line to its graph? A. y = 2x2 - 2x at (2,3) B. y=2x2 + 2x at (2,3) C. y = 3x2 - 2x at (1,3) D. y = 3x2 + 2x at (1,3) %3D %3D %3D

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