The chart below lists the original and sale prices of items at a clothing store. Which statement best describes why the sale price is a function of the original price?
As the original price increases, the sale price also increases.
The sale price is always less than the original price.
For every original price, there is exactly one sale price.
The sales price is never less than zero.

The statement that best describes why the sale price is a function is ¨ The sale price is always less than the original price.

Step-by-step explanation:

I am not 100% sure this is accurate, but I hope this helps.

Which statement best describes why the sale price is a function of the original price?

Step-by-step explanation:

Because it is a discount it will be less then the original amount. It will never be zero because then that would be 100% off. It's less then the original price because it isn't a markup it is a markdown or discount. I hope this answered your question not for sure if i'm right but I may be.

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

x = 3 ± √(5+y)