I don’t understand how to solve this

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

Find the maximum value of p= 4x + 5y subject to the following constraints :