Answer:
its number 6
Step-by-step explanation:
The equation will be y=4/x. u can make the table of variables by inserting the values of x in the equation. for suppose here, if x=1 then y=4 , x=2 then y=2 and so on.
The answer to this problem is 9 hopefully this helps you!
5 or less books can fit, so...
5<x with the line the line under the sign.