2. What is missing?
● When you are asked to write a function and
label the variables, make sure you label
both!!!!
● Take a look at the slides with word
problems and the answers on the following
slides.
3. Word problem #1
● Mark is buying his favorite comics for $2.
He starts off with $187 in his account. Write
a function to represent this situation and
label the variables.
4. Answer to #1
● f(x)=187-2x (or f(x) = -2x+187)
● The x represents the number of comics he
buys.
● The f(x) represents how much money he
has left.
5. Word Problem #2
● Annie is helping her mom collect canned
goods. He mom has 91 cans and Annie is
collecting 10 cans a week. Write a function
to represent this situation and label the
variables.
6. Answer to #2
● f(x) = 10x+91 (or f(x)=91+10x)
● The x represents the number of weeks that
go by.
● The f(x) represents the number of cans
collected
7. Answer to #2
● f(x) = 10x+91 (or f(x)=91+10x)
● The x represents the number of weeks that
go by.
● The f(x) represents the number of cans
collected