At a package weight of 8 they both cost $37
Answer:

Step-by-step explanation:
Given

Required
Express as a standard polynomial
We have:

Rewrite as:

Open bracket

Add like terms

That can also be written as 1/6y^5
Answer:
the slope -3, slope meaning rate of change and y intercept is 1.
hope that answers your question
(used desmos to graph, good stuff!!!)