1300_F2011_Sec_27_big-filled

# 1300_F2011_Sec_27_big-filled - 3 State whether the...

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Math 1300 Section 2.7 1 Functions and Domains: Definition: The graph of a function f is the set of all points ( x , y ) in the coordinate plane where the x - coordinates are the elements of the domain of f and where the y -coordinates are given by ( ) y f x = . A function can have exactly (only) one y -value, called f ( x ), per x -value. One way to test a relation to see if it is a function is by using the vertical line test. That is, a vertical line can intersect a graph of a function at most once. 1. State whether the following graph is a function.

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Math 1300 Section 2.7 2 2. State whether the following graph is a function.

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Unformatted text preview: 3. State whether the following graph is a function. Math 1300 Section 2.7 3 4. State whether the following graph is a function. 5. Sketch the graph of 2 y x = . What is the domain? Math 1300 Section 2.7 4 6. Sketch the graph of y x = . What is the domain? 8. Sketch the graph of 2 y = . What is the domain? Math 1300 Section 2.7 5 8. Sketch the graph of 1 y x = . Is this a function? 9. Graph the set of points {(-1, -3), (-2, 3), (3, 1), (3, 2), (0, 2)}. Determine whether the set of points represents a function....
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