Plz ! a book store bought 160 copies of a book from the publisher for $4,000. if the store gives away 2 books, how much money will it lose? explain.

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

im pretty sure it would be 5 am, hope that , and give brainliest and guys if this is right then press the button and give 5 stars