Ask Question

If y = 3x^3 - 2x and dx/dt equals 3, find dy/dt when x = - 2. Give only the numerical answer.

+2
Answers (1)
  1. 25 January, 05:34
    0
    Dx/dt=3

    y=3x^3-2x

    dy/dt = (9x^2) (dx/dt) - 2 (dx/dt)

    When x = - 2

    dy/dt = (9 (-2) ^2) (3) - 2 (3)

    =36 (3) - 6

    =102
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “If y = 3x^3 - 2x and dx/dt equals 3, find dy/dt when x = - 2. Give only the numerical answer. ...” in 📗 Advanced Placement (AP) if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers