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Function Rules By: Christine Berg Edited By: V T Hamilton Edited By: V T Hamilton

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Function The relationship between the input and output values

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Function Each input value has EXACTLY one output value

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Function Function Notation: f(n) = n + 5 OutputInput

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Function Function Notation: f(n) = n + 5 Rule for Function

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Function Example: You are driving a car 50 miles per hour (mph)

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Function Example: D = r t d = 50t d=distance R= rate t=time

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Function Set up a table using the previous function rule: d = 50 t Time(Input)12345 Distance(Output)

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Function Find the Rule ~ Remember to define the variable. Look at next slide to see if you are correct Hours Worked Salary 1$6.50 2$13.00 3$19.50 4$26.00 5$32.50

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Answer Define the variable s = salary h = hours Function Rule s = 6.50 h s = 6.50 h

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Function Weeks Plant Height 13 25 37 49 511 Find the Rule ~ then look at next slide to see if you are correct

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Answer Define the variable h = height w = number of weeks Function Rule h = 2 w + 1

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Describe a function in your own words. Describe a function in your own words.

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7.3 Introduction to Relations and Functions

7.3 Introduction to Relations and Functions

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