A plumber is draining a tub, The graph shows the water level of the tub in gallons after draining for x hours. What is the range of the function for this situation.

A) all real number is greater than or equal to 0 and less than or equal to 15.

B) all real numbers less than or equal to 15.

C) all real numbers greater than or equal to 0 and less than or equal to 20.

D) all real numbers less than or equal to 20.

Choose the correct classification of 3x4 − 9x3 − 3x2 + 6. 5th degree polynomial 4th degree polynomial 9th degree polynomial 24th degree polynomial

Find the area of the unshaded square

In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a.what is the independent and dependent variables? b.find the amplitude and the period of the function. c.create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.