Use the number line to answer the question. A number line going from negative 5 to positive 5. Point A is negative 1, point B is 0, point C is 1, and point D is 4.5. Which statement about graphing rational numbers is true? The graphs of all rational numbers will be to the right of point B. The graphs of all rational numbers will be to the left of point B. Point D does not represent a rational number. All of the points on the graph could represent rational numbers.

In one day there are too high tides into low tides and equally spaced intervals the high tide is observed to be 6 feet above the average sea level after six hours passed a low tide occurs at 6 feet below the average sea level in this task you will model this occurrence using a trigonometric function by using x as a measurement of time assume the first high tide occurs at x=0. a. what are the independent and dependent variables? b. determine these key features of the function that models the tide: 1.amplitude 2.period 3.frequency 4.midline 5.vertical shift 6.phase shift c. create a trigonometric function that models the ocean tide for a period of 12 hours. d.what is the height of the tide after 93 hours?