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Questions on 1.2 HW?

Questions on 1.2 HW?. Warm-Up. Write a rule for the function. 1.3 Represent Functions as Graphs. Example 1:. Graph the function y = 3x with domain 0, 1, 2 , 3, and 4 Step 1: make a table Step 2: plot a point for each ordered pair. Your Turn:. Graph the function y = -2x + 7

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Questions on 1.2 HW?

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  1. Questions on 1.2 HW?

  2. Warm-Up • Write a rule for the function

  3. 1.3Represent Functions as Graphs

  4. Example 1: • Graph the function y = 3x with domain 0, 1, 2 , 3, and 4 • Step 1: make a table • Step 2: plot a point for each ordered pair.

  5. Your Turn: • Graph the function y = -2x + 7 Domain: 1, 2, 3, 4, and 5

  6. Example 2: • Write a rule for the function represented by the graph. Identify the domain and range of the function.

  7. Your Turn: • Write a rule for the function represented by the graph. Identify the domain and range of the function.

  8. 1.3 Homework: • P. 13 #1-14 • P. 15 #7-14

  9. Questions on 1.3 HW??? (p.13 and p.15)

  10. Warm-up • Write a rule for the function represented by the graph.

  11. 1.4 Graph Using Intercept 1.1-1.4 Quiz: Wednesday

  12. Vocabulary • X-intercept: the x-coordinate of a point where a graph crosses the x-axis • To find the x-intercept plug a zero in for y. • Y-intercept: the y-coordinate of a point where a graph crosses the y-axis • To find the y-intercept plug a zero in for x.

  13. Example 1: • Find the x- and y-intercepts of the graph 7x – 3y = 21

  14. Your Turn: • Find the x- and y-intercepts for the graph of • -4x + 3y = 24 • y = 1/5x – 3

  15. Example 2: • Identify the intercepts of the graph.

  16. Your Turn: • Identify the intercepts of the graph.

  17. Example 3: • Graph 3x + 2y = 6. Label the points where the line crosses the axes.

  18. Your Turn: • Graph x – 1/2y = 1. Label the points where the line crosses the axes. (1,0) (-2,0)

  19. 1.4 Homework • P. 19 (all problems)

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