do 6x8.(theres two x's and two y's)
Please mark me brainless :)
Answer:
7*450*.5%
Step-by-step explanation:
Answer:


Step-by-step explanation:
Given

Solving (a): The cost function:
From the given parameter, it shows that the number of floor has no effect on the floors.
So, represent the floors with x.
The cost function is:

Solving (b): The slope and its interpretation
A function is represented as:

Where:

By comparing:
to 

So:

<em>What it means is that, no matter the number of floors, the cost remains unchanged.</em>
He would have bought 7 pound
This is because you would add 4 and 3 together
Hope this helps!