MCR3U1 Transformations: Horizontal, Vertical Translations and Reflections 1. Sketch and label the graphs for each of the indicated functions below. a) b) y y 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 -7 -6 -5 -4 -3 -2 i) f(x + 3) -1 1 x 1 -1 2 3 4 5 6 -7 7 -6 -5 -4 -3 -2 -1 -1 -2 -2 -3 -3 -4 -4 -5 -5 -6 -6 -7 -7 -8 -8 -9 -9 ii) f(x) – 2 iii) -f(x) i) f(x+3)+2 c) x 1 2 3 4 ii) f(x-1)+3 5 6 7 iii) –f(x-4) d) y y 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 -7 -6 -5 -4 i) f(x+3) – 4 -3 -2 -1 -1 1 x 1 2 3 4 5 6 7 -7 -6 -5 -4 -3 -2 -1 -1 -2 -2 -3 -3 -4 -4 -5 -5 -6 -6 -7 -7 -8 -8 -9 -9 ii) f(x – 2)+2 i) –f(x+3) x 1 2 3 4 ii) f(x+6) – 3 5 6 7 2. The function y = f(x) has been transformed to y = f(x – h) + k. Determine the values of h and k for each of the following transformations. a) 6 units upward b) 8 units downward c) 3 units to the right d) 5 units to the left e) 2 units to the left and 4 units downward and reflection about the x-axis f) 7 units to the right and 7 units upward g) 4 units to the left and reflection about the x-axis 3. Use transformations to sketch the graph of each of the following functions. =√ + a) b) ( ) = − − y y 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 -7 -6 -5 -4 -3 -2 -1 1 x -1 1 2 3 4 5 6 7 -7 -6 -5 -4 -3 -2 -1 -1 -2 -2 -3 -3 -4 -4 -5 -5 -6 -6 -7 -7 -8 -8 -9 -9 4. State the equation of the image graph. a) x 1 2 3 4 5 6 7 b) y y 5 4 4 3 =√ 3 2 2 1 1 x x -2 -1 1 2 3 4 5 6 7 8 -5 -4 -3 -2 9 1 -1 -1 -2 -1 -2 = -3 -4 -3 -5 2 3 4 5 MCR3U1 Vertical and Horizontal Translation Name: 1. For any function y = f(x), explain what happens to y = f(x) if x is replaced by a) x – 3 c) x b) x + 4 1 2 2. For any function y = f(x), state the image if it has the following transformations. a) vertical shift up by 3 units. b) Horizontal shift left by 2 units. c) Horizontal shift right by 1 unit and vertical shift down by 7 units. 3. Sketch the image of the given graph. a) f(x-2) + 4 -6 -4 b) f(x + 3) + 2 5 5 4 4 3 3 2 2 1 1 -2 2 4 6 -6 -4 -2 -1 2 4 6 -1 -2 -2 -3 -3 -4 -4 -5 -5 c) f(x – 1) – 1 -6 d) f(x – 3) - 2 -4 5 5 4 4 3 3 2 2 1 1 -2 2 4 6 -6 -4 -2 2 -1 -1 -2 -2 -3 -3 -4 -4 -5 -5 4 6