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Let g be a function that is a transformation of the function f such that g(x) = 1/2 f (x + 2) + 5. Describe...

1. Let g be a function that is a transformation of the function f such that g(x) = 1/2 f (x + 2) + 5. Describe the transformations of the function f that result with the function g.
2. Let k be a function that is a transformation of the function h such that k(x) = 4h (1/2 x) - 1. Describe the transformations of the function h that result with the function k.
3. Let r be a function that is a transformation of the function p such that r(x) = -3p(4x). Describe the transformations of the function p that result with the function r.
4. Let n be a function that is a transformation of the function m such that n(x) = 5 m(-x). Describe the transformations of the function m that result with the function n.
5. Let g(x) = f (x) - 3. Find the following values.
(a) g(-10)
(b) g(0)
6. Let h(x) = 4 - f (x - 2). Find the following values.
(a) h(2)
(b) h(6)
7. The function n is constructed by applying three transformations to the graph of h in this order: a horizontal dilation by a factor of 4, a vertical dilation by a factor of 2, and a vertical translation by 3 units. If h(x) = a(bx) + c, find the values of a, b, and c.
8. The graph of y = f (x), consisting of two line segments and a semicircle, is shown for -4 ≤ x ≤ 3. Sketch a graph of g on the same axes where g(x) = f (x - 2).
9. The graph of y = f (x), consisting of two line segments and a semicircle, is shown for -4 ≤ x ≤ 3. Sketch a graph of h on the same axes where h(x) = 2 f (x + 1).

Answer

  1. The function g(x) = 1/2 f (x + 2) + 5 involves the following transformations of f(x):

    • Horizontal shift left by 2 units.
    • Vertical stretch by a factor of 1/2.
    • Vertical shift up by 5 units.
  2. The function k(x) = 4h (1/2 x) - 1 involves the following transformations of h(x):

    • Horizontal stretch by a factor of 2.
    • Vertical stretch by a factor of 4.
    • Vertical shift down by 1 unit.
  3. The function r(x) = -3p(4x) involves the following transformations of p(x):

    • Horizontal compression by a factor of 1/4.
    • Vertical reflection across the x-axis.
    • Vertical stretch by a factor of 3.
  4. The function n(x) = 5 m(-x) involves the following transformations of m(x):

    • Reflection across the y-axis.
    • Vertical stretch by a factor of 5.
  5. Using the table, find:

    • g(-10) = f(-10) - 3 = 8 - 3 = 5
    • g(0) = f(0) - 3 = 2 - 3 = -1
  6. Using the table, find:

    • h(2) = 4 - f(0) = 4 - 2 = 2
    • h(6) = 4 - f(4) = 4 - 9 = -5
  7. Given h(x) = a(bx) + c, the transformations are:

    • Horizontal dilation by a factor of 4: b = 1/4
    • Vertical dilation by a factor of 2: a = 2
    • Vertical translation by 3 units: c = 3
  8. Sketch the graph of g(x) = f(x - 2) by shifting the graph of f(x) 2 units to the right.

  9. Sketch the graph of h(x) = 2f(x + 1) by shifting the graph of f(x) 1 unit to the left and vertically stretching by a factor of 2.

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