Zachariah owns a pet-sitting business. He charges $12 per hour plus a one-time fee of $8 for food and clean up. Write an algebraic expression to determine how much he would
charge to watch a pet for h hours.

What is the relative minimum of the function? enter your answer in the box.

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.