4. Rachel has 3000 feet of fencing to enclose a rectangular field for her horses. One side of the field lies along the river, so only three sides require fence material.
a. Express the area A of the rectangle as a function of the width x of the rectangle.
b. What is the domain of A?
c. Use a graphing calculator to find the value of x that produces the largest area.
I

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot