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Function notation

9th grade (Year 10 in England) · 16 questions · Common Core: HSF.IF.A.1, HSF.IF.A.2 · England: GCSE Higher Algebra

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Date

Score/ 16

  1. Question 1

    f(x) = x + 4. For what value of x is f(x) = 6?

    x =

  2. Question 2

    f(x) = 3x² + 2x + 7. Find f(−2).

    Answer

  3. Question 3

    f(x) = x − 10. For what value of x is f(x) = −8?

    x =

  4. Question 4

    f(x) = x² − 5x + 3. Find f(1).

    Answer

  5. Question 5

    f(x) = 2x + 10. For what value of x is f(x) = 28?

    x =

  6. Question 6

    f(x) = x² + x − 8. Find f(3).

    Answer

  7. Question 7

    f(x) = 2x − 1. For what value of x is f(x) = 7?

    x =

  8. Question 8

    f(x) = 3x² + 2x + 1. Find f(3).

    Answer

  9. Question 9

    f(x) = x − 2. For what value of x is f(x) = −4?

    x =

  10. Question 10

    f(x) = x² + x − 3. Find f(−4).

    Answer

  11. Question 11

    f(x) = 3x − 7. For what value of x is f(x) = −16?

    x =

  12. Question 12

    f(x) = 2x² − 6x − 8. Find f(3).

    Answer

  13. Question 13

    f(x) = 2x + 10. For what value of x is f(x) = −2?

    x =

  14. Question 14

    f(x) = 3x² − x + 1. Find f(4).

    Answer

  15. Question 15

    f(x) = 2x − 2. For what value of x is f(x) = 2?

    x =

  16. Question 16

    f(x) = 2x² + 3x + 4. Find f(3).

    Answer

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  1. x = 2
  2. 15
  3. x = 2
  4. -1
  5. x = 9
  6. 4
  7. x = 4
  8. 34
  9. x = -2
  10. 9
  11. x = -3
  12. -8
  13. x = -6
  14. 45
  15. x = 2
  16. 31