What are the intervals where the function is increasing and decreasing, and what do they represent about the distance and height?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls