Quiz

Composite functions and differentiation

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Perguntas do quiz (5)

1 f(x) = 2x2
– 5 and g(x) = 2x – 1. The value of g(f(-3)) is
1. A25
2. B64
3. C864
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 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. What is the derivative of (3x – 5)4
1. A4(3x – 5)3
2. B4(3x – 5)
3. C4(6x – 5)3
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