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Calculus Help Please!!!

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Compute Δy and dy for the given values of x and dx = Δx. (Round your answers to three decimal places.)
y = 3x − x^2, x = 3, Δx = −0.6

Δy=???

  • Calculus Help Please!!! - ,

    at x = 3
    y = 3*3 - 9 = 0
    at x = 2.4
    y = 3(2.4) - 2.4^2 = 1.44
    delta y = 1.44 -0 = 1.44

    dy/dx = 3 - 2 x
    at x = 3
    dy/dx = 3 - 6 = -3
    if dx = -.6
    dy = -3 (-.6) = 1.8

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