SOLUTION: Jorge bought a mechanical pencil for $8. A lead and eraser refill pack costs $2. Write a linear function to describe the cost of using the pencil as a function of the number of

Question 1173687: Jorge bought a mechanical pencil for $8. A
lead and eraser refill pack costs $2. Write a
linear function to describe the cost of using
the pencil as a function of the number of
refill packs.
A. 𝐶(𝑟) = 8𝑟 − 2
B. 𝐶(𝑟) = 2𝑟 + 8
C. 𝐶(𝑟) = 2𝑟
D. 𝐶(𝑟) = 8𝑟 + 2
Found 2 solutions by ewatrrr, Boreal:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Jorge bought a mechanical pencil for $8.
Alead and eraser refill pack costs $2

Hi,
Write a linear function to describe the cost of using the pencil
as a function of the number of refill packs.
C(r) = 8 + 2r
Wish You the Best in your Studies.

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
the pencil is a fixed cost of $8.
B. C(r)=2r+8
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