The hours of daylight in a town are modeled by L = 3 sin(2pi(d - 80)/365) + 11.8, where d is the day of the year. What does the number 11.8 represent?

A Ferris wheel has a radius of 10 meters, its center is 15 meters above the ground, it makes one full turn every 80 seconds, and a rider boards at the lowest point at t = 0 seconds. Which equation gives the rider's height h in meters after t seconds?

A Ferris wheel has a radius of 18 meters, its center is 20 meters above the ground, it makes one full turn every 90 seconds, and a rider boards at the lowest point at t = 0 seconds. Which equation gives the rider's height h in meters after t seconds?

The daily high temperature in a city is modeled by T = 15 sin(pi(d - 100)/182.5) + 68, where T is in degrees Fahrenheit and d is the day of the year. What is T on day d = 100?

The hours of daylight in a town are modeled by L = 3 sin(2pi(d - 82)/365) + 12.5, where d is the day of the year. What is the greatest number of hours of daylight the town gets in a day?

At a pier the water is 22 feet deep at high tide and 6 feet deep at low tide, and the depth cycles smoothly. What is the midline of a sinusoidal model of the depth, in feet?

A Ferris wheel has a radius of 30 meters, its center is 35 meters above the ground, it makes one full turn every 40 seconds, and a rider boards at the lowest point at t = 0 seconds. Which equation gives the rider's height h in meters after t seconds?

The daily high temperature in a city is modeled by T = 10 sin(pi(d - 110)/182.5) + 62, where T is in degrees Fahrenheit and d is the day of the year. What is T on day d = 110?

The hours of daylight in a town are modeled by L = 2 sin(2pi(d - 80)/365) + 12.5, where d is the day of the year. What is the least number of hours of daylight the town gets in a day?

A Ferris wheel has a radius of 25 meters, its center is 27 meters above the ground, it makes one full turn every 60 seconds, and a rider boards at the lowest point at t = 0 seconds. Which equation gives the rider's height h in meters after t seconds?

The hours of daylight in a town are modeled by L = 2.5 sin(2pi(d - 82)/365) + 11.8, where d is the day of the year. What does the number 2.5 represent?

At a harbor the water is 19 feet deep at high tide and 1 foot deep at low tide, and the depth cycles smoothly. What is the amplitude of a sinusoidal model of the depth, in feet?

The daily high temperature in a city is modeled by T = 20 sin(pi(d - 120)/182.5) + 62, where T is in degrees Fahrenheit and d is the day of the year. What is T on day d = 120?

In a channel the water is 21 feet deep at high tide and 9 feet deep at low tide, and the depth cycles smoothly. What is the amplitude of a sinusoidal model of the depth, in feet?

At a pier the water is 20 feet deep at high tide and 10 feet deep at low tide, and the depth cycles smoothly. What is the midline of a sinusoidal model of the depth, in feet?

A Ferris wheel has a radius of 18 meters, its center is 22 meters above the ground, it makes one full turn every 48 seconds, and a rider boards at the lowest point at t = 0 seconds. Which equation gives the rider's height h in meters after t seconds?

At a harbor the water is 23 feet deep at high tide and 9 feet deep at low tide, and the depth cycles smoothly. What is the amplitude of a sinusoidal model of the depth, in feet?

A Ferris wheel has a radius of 15 meters, its center is 19 meters above the ground, it makes one full turn every 30 seconds, and a rider boards at the lowest point at t = 0 seconds. Which equation gives the rider's height h in meters after t seconds?

The daily high temperature in a city is modeled by T = 20 sin(pi(d - 110)/182.5) + 50, where T is in degrees Fahrenheit and d is the day of the year. What is T on day d = 110?

The daily high temperature in a city is modeled by T = 10 sin(pi(d - 80)/182.5) + 55, where T is in degrees Fahrenheit and d is the day of the year. What is T on day d = 80?