7. Write the equation of a sinusoidal function that has a minimum at (-4, 1) and amaximum at (1, 11). Sketch two complete periods of your equation.8. A frog is taking a ride on an undershot water wheel. He gets on at the lowest point ofthe wheel, which is 2 feet below the surface of the water. It takes 20 seconds for himto reach the top of the wheel, which is 8 feet above the surface of the water. Write anequation using a sinusoidal function that will model the frog's vertical distance fromthe surface of the water.

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Write the equation of a sinusoidal function that has a minimum at (-4, 1) and a maximum at (1, 11). Sketch two complete periods of your equation.