Composite functions and differentiation

1. 1 f(x) = 2x2
   – 5 and g(x) = 2x – 1. The value of g(f(-3)) is

   1. A25
   2. B64
   3. C864
2. 2Functions f and g are defined on suitable domains by f(x) = sin x and g(x) = x – 3
   π
   The value of f(g( 2
   π
   )) is
   

   1. A664
   2. B468
   3. C678
3. 3 A curve has equation y = 3x2
   – 5x. The gradient of this curve at the point (-1,8) is
   

   1. A857
   2. B964
   3. C846
4. 4. What is the derivative of (3x – 5)4
   

   1. A4(3x – 5)3
      
   2. B4(3x – 5)
      
   3. C4(6x – 5)3
      
5. 5A curve has equation y = 3x2
   – 5x. The gradient of this curve at the point (-1,8) is
   

   1. A 1
   2. B-12
   3. C-13

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Quiz on Untitled, created by Anime Virgin on 19/04/2015.

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Anime Virgin

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