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Find and use the second derivative

12th grade (Year 13 in England) · 16 questions · Common Core: HSF.IF.B.4 · England: A-level Pure Mathematics

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  1. Question 1

    f(x) = 2x³ + 5x + 1. Find f″(2).

    Answer

  2. Question 2

    Find d²y/dx² when y = 3x⁴ − 4x³ − 5x² − 5x.

    Answer

  3. Question 3

    f(x) = 3x³ − 2x² + 2x − 6. Find f″(−2).

    Answer

  4. Question 4

    Find d²y/dx² when y = 3x⁴ − 5x³ + 4x² − 9x + 7.

    Answer

  5. Question 5

    f(x) = −x³ + 3x² + 5x + 7. Find f″(−1).

    Answer

  6. Question 6

    Find d²y/dx² when y = x⁴ − 2x³ + 7x + 4.

    Answer

  7. Question 7

    f(x) = x³ − 4x² − 3x + 7. Find f″(−1).

    Answer

  8. Question 8

    Find d²y/dx² when y = 2x⁴ + x³ + 4x² + 8x − 2.

    Answer

  9. Question 9

    f(x) = x³ − 4x² − 6x − 4. Find f″(−1).

    Answer

  10. Question 10

    Find d²y/dx² when y = −x⁴ + 3x³ + 3x² + 2x − 2.

    Answer

  11. Question 11

    f(x) = −2x³ − 3x² − 2x + 2. Find f″(−2).

    Answer

  12. Question 12

    Find d²y/dx² when y = −3x⁴ + 3x³ − 9x² − 8x + 1.

    Answer

  13. Question 13

    f(x) = −2x³ + 2x² − 8x + 4. Find f″(−1).

    Answer

  14. Question 14

    Find d²y/dx² when y = −3x⁴ + 5x³ + 3x² − 9x + 5.

    Answer

  15. Question 15

    f(x) = 2x³ − x² + 3x − 2. Find f″(3).

    Answer

  16. Question 16

    Find d²y/dx² when y = 3x⁴ + x³ − x² + 6.

    Answer

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  1. 24
  2. 36x^2-24x-10
  3. -40
  4. 36x^2-30x+8
  5. 12
  6. 12x^2-12x
  7. -14
  8. 24x^2+6x+8
  9. -14
  10. -12x^2+18x+6
  11. 18
  12. -36x^2+18x-18
  13. 16
  14. -36x^2+30x+6
  15. 34
  16. 36x^2+6x-2