Lexi has $80 to spend on an ice cream treat each week. if she spends $4 on ice cream per week, the function c(x)=80−4x
c
(
x
)
=
80
-
4
x
represents how much ice cream money, c, lexi has left after a certain number of weeks, x. what is the domain in the context of the problem? why?

Domain

In other words Domain

Step-by-step explanation:

Let after weeks she has left no money.

That means she can have money for ice cream from the week 1 to week 20 and after that she will have no money.

So can be any number between and

Hence Domain

n

step-by-step explanation:

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.