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- Introduction to Relations and Functions

Still Confused?

Try reviewing these fundamentals first.

Still Confused?

Try reviewing these fundamentals first.

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Bring on more grid papers! In this chapter, we're going to study functions. Functions are notations that tell us what the value of y is for every value of x. By carrying out the vertical line test, we are able to find out the relationships of ordered pairs.

Basic concepts: Solving linear equations by graphing, Relationship between two variables, Understand relations between x- and y-intercepts, Domain and range of a function,

- 1.Are the following sets of ordered pairs functions?a)(4,3), (2,6), (-3,4), (-2,5)b)(4,5), (4,-3), (2,6), (3,2)c)(3,6), (2,6), (5,3), (1,2)
- 2.Which of the following is a function?

- 3.Using the table of values to answer the questions below:a)
X value -5 -3 -1 1 3 Y value 3 1 -1 -2 -3 b)X value -5 -3 -1 1 3 Y value 2 2 -1 -2 -3 c)X value -5 -5 -1 1 3 Y value 2 3 2 3 -3

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