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For the function f(x)=4x-2 , -1≤x≤6 which of the following statements is correct?

For the function f(x)=4x-2 , -1≤x≤6 which of the following statements is correct?. The domain is [-1,6] and the range is [-6,22] The domain is [-6,22] and the range is [-1,6] Neither of the above. Which of the following functions has its domain identical with its range?. 1 2 3 4.

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For the function f(x)=4x-2 , -1≤x≤6 which of the following statements is correct?

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  1. For the function f(x)=4x-2, -1≤x≤6which of the following statements is correct? The domain is [-1,6] and the range is [-6,22] The domain is [-6,22] and the range is [-1,6] Neither of the above

  2. Which of the following functions has its domain identical with its range? 1 2 3 4 1. 2. 3. 4.

  3. The graph below represents which of the following? A one-to-one function A one-to-many function A many-to-one function A many-to-many function

  4. Which of the following graphs shows a discontinuous function? 1 2 3 1. 2. 3.

  5. Is the function on [0,5] continuous? Yes No Don’t Know

  6. Is the following function continuous? Yes No Don’t Know

  7. If a function is even then f(-x)=f(x) for all values of x True False Don’t know

  8. Which of the following graphs could represent an even function? 1 2 3 3. 2. 1.

  9. Calculate the distance between the points (1,3) and (6,2)

  10. The graph shown below is best described as which of the following? Quartic Cubic Quadratic Linear

  11. Which of the following lines have the same slope/gradient? y = 4x + 2 2y = 8x + 4 3y = 2x + 6 3y = 12x + 4

  12. Put the following linear functions in order of increasing slope.(A) y=2x (B) y=3 (C) y=3x+9 (D) y=x/5 +102 ABCD CADB DCBA BDAC

  13. A line has gradient 1/3.If x increases by 4, how much will y increase by?

  14. The point (0,4) lies on a line with gradient -2. The equation of the line is given by what? y=2x+4 y=4x+2 y=4x-2 y=-2x+4

  15. Two points (1,4) and (0,-2) lie on a straight line. Calculate the y-intercept of the line

  16. What is the equation of the line? 1 2 3 4 5 John Goodband, Coventry University

  17. Cannot tell from the information given None of the above If a straight line passes through the points and . What is the equation of the line? John Goodband, Coventry University

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