Select all the correct answers.

martha works at a small jewelry store. she designs 2 rings in the first hour. every additional hour, she designs 3 new rings.

select all the functions that can be used to find the number of rings, r(n), she designs in n hours.

answer:

we can write that

r(n)=2 + 3(n-1)

that's equivalent to

r(n)=3n-1

hopefully those are the two expressions among the choices. there are many equivalent expressions but these are the most likely.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

idk

step-by-step explanation: i just don't