Function rules
- 1. Function Rules By: Christine Berg Edited By: V T Hamilton
- 2. Function The relationship between the input and output values
- 3. Function Each input value has EXACTLY one output value
- 4. Function Function Notation: f(n) = n + 5 Output Input
- 5. Function Function Notation: f(n) = n + 5 Rule for Function
- 6. Function Example: You are driving a car 50 miles per hour (mph)
- 7. Function Example: D=rt d = 50t d=distance R= rate t=time
- 8. Function Set up a table using the previous function rule: d = 50 t Time 1 2 3 4 5 (Input) Distance (Output)
- 9. 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
- 10. Answer Define the variable s = salary h = hours Function Rule s = 6.50 h
- 11. Function Find the Rule ~ then look at next slide to see if you are correct Weeks Plant Height 1 3 2 5 3 7 4 9 5 11
- 12. Answer Define the variable h = height w = number of weeks Function Rule h=2w+1
- 13. Describe a function in your own words.