1. To create a function rule from the following input-output tables: 5. 6.
“What can I do to the input to get that output?”
THINK!
OR “What can I do to the x to get that y?”

2. A. The output is four less than triple the input.
Create a function rule from the given descriptions.
1. The output is double the input.
2. The output is seven less than the input.
3. The output is half of the input.
4. The output is two less than five times the input.
5. The output is nine less than twice the input.
6. The output is three more than negative four times the input.
7. The total cost, t, of c ounces of cinnamon if each ounce costs $0.79.
8. Karla, k, is two years younger than five times the age of her cousin, c.
Taken from old Algebra I Honors Sem1 Practice Exam (revised 2009)
17. Translate the table into words.
A. The output is four less than triple the input.
B. The output is one less than double the input.
C. The output is one greater than double the input.
D. The output is two greater than the input.
18. Which sentence represents the equation , where y represents Karla’s age and x represents the age of her cousin?
A. Karla’s age is 2 years older than 5 times the age of her cousin.
B. Karla’s age is 2 years younger than 5 times the age of her cousin.
C. Karla’s age is 5 years older than twice the age of her cousin.
D. Karla’s age is 5 years younger than twice the age of her cousin.