Over a 24-hour period, the tide in a harbor can be modeled by one period of a sinusoidal function. The tide measures 5. 15 ft at midnight, rises to a high of 10. 2 ft, falls to a low of 0. 1 ft, and then rises to 5. 15 ft by the next midnight. What is the equation for the sine function f(x), where x represents time in hours since the beginning of the 24-hour period, that models the situation? enter your answer in the box.

Which of the following ideas did greek philosopher democritus contribute to the atomic theory? a. each object is made up of one atom, which varies in size from very small to very large. b. matter is composed of only one kind of particle, which can be easily destroyed. c. every element has a specific type of atom, which remains the same size in all forms of matter. d. all matter is composed of small particles, which combine to make larger objects.