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3.8 Functions, Equations, and Graphs - Part 1
18/18 (100%)
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1. Which set of ordered pairs in the form of (x, y) does not represent a function of x?
- D) {(0, 2), (1, 2), (1,-2), (3,2)}
2. What is (are) the x-intercept(s) of the function graphed above?
3. What is f(-5) if f(x) = |2x - 1| + 10
4. Which does not describe the same situation?
- D) x: -2, 1, 3; y: 7, 8, 18
5. Which is an equation of the line in slope-intercept form?
m = 4 and the y-intercept is (0, 5)
- C)

6. Write the equation in slope-intercept form. What are the slope and y-intercept?
-5x - 12y = 11
- C)

7. Which graph best represents the equation x + 2y = 4?
8. Which equation best represents the line graphed above?
- C)

9. Which equation best represents the line graphed above?
- B)

10. Which graph best models the relationship in the table?
11. Which procedure could be used to graph the following equation?

- A) Plot the y-intercept (0, -1) and use the slope of
to find the second point.
12. Which equation defines the graph of
after it is shifted vertically 3 units up and horizontally 2 units right?
- C)

13. The graph of
is shown below. If graphed on the same grid, which of the following could be the graph
?
14. Which equation best represents the graph shown above?
- B)

15. Which of the following shows the graph of the inequality
?
16. Which of the following inequalities is shown in the graph?
- D)

17. An electronics store makes a profit of $25 for every portable DVD player sold and 455 for every DVD recorder sold. The managers....
- B)

18. Which graph best represents the following equation?
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Hope this helps!