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

Function The relationship between the input and output values

Function Each input value has EXACTLY one output value

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

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

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

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

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

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

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

Function Weeks Plant Height Find the Rule ~ then look at next slide to see if you are correct

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

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