  # How to tell if a ordered pair is a function

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## Relations And Functions

To determine if an ordered pair is a solution to a system of two equations, we substitute the values of the variables into each equation. If the ordered pair makes both

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Use the x x and y y values to form the ordered pair. Choose 2 2 to substitute in for x x to find the ordered pair. Tap for more steps. Remove parentheses. Simplify 6 ( 2) − 43 6 (

## Identifying Functions

Substitute the second term of the first ordered pair into the same equation in place of the variable y. For example, write, 7 = (-1.25 x 3) + b. Is Y x2 function? Yes it is. Using

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## Identifying Functions with Ordered Pairs, Tables & Graphs

Example Problem 2: Using Ordered Pairs to Identify Linear Functions Write an equation for a linear function, f(x) f ( x), with a slope of 2 and given that f(−3) = 7 f ( − 3) = 7. Begin this

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