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mycourses.dtcc.edu/d21/1 . Question 1 Like a vibrating cell phone, the back-and-forth vibrations of an unbalanced washing machine can be Content Activities ~ Tools v Grades ~ Help v ed using a sinusoidal function. Every time the drum of the washing machine makes a complete revolution, the washing machine completes one cycle of its vibration. Assume that the ble of Contents > Unit 1: Sinusoidal Functions & Their Graphs > Lesson 4 , 4.D , RF2 4D_ Preview washing machine wobbles back-and-forth according to the following model, RF2_4D_Preview W(t) = 0.75 sin(30t) where W (t) represents the number of inches a washing machine moves to the right (W (t) > 0) or drum as it wobbles, and t represents the time, in seconds, after the washing machine RF2_4D_Preview Score: 0/10 0/5 answered Part A: What is the period of W(t)? Round your answer to two decimal places. . Question 2 Answer: seconds Fill in the blanks: Hint Part B: What is the frequency of W(t)? Round your answer to two decimal places. The graph of "g(x) = cos(x+pi)" looks like the graph of "f(x) = cos(x)" except that it has been shifted to Answer: he [Select an answer v] by Part C: How far to the right does the washing machine move at its greatest displacement? Question Help: Message instructor Calculator Answer: Submit Question Part D: A second washing machine is using a spin cycle in which the drum is spinning twice as fast. Determine the value of A so of A so that W2(t) = 0.75 sin( At) can be used to model its vibrations. A = Part E: A third washing machine is spinning at the same speed as the first washing machine, bu every time the first washing machine wong at machine wobbles to the right, the third durst the third washing machine won't the left. Determine avalue of o so that Wa(t) = 0.75 sin(30t + $) can be used to model its :" Reflect in ePortfolio Activity Details x Dela mycourses.dtcc.edu/d2\\/le/content/95104/viewContent/4541624/View MAT193-505 Reasoning with Functions II (Fall 2022 $1) KFZ_40_Preview KFZ_4D_Preview v Content Activities . Tools " Grades ~ Help RF2_4D_Preview Score: 0/10 0/5 answered RF2_4D_Preview Table of Contents > Unit 1: Sinusoid actions & Their Graphs > Lesson 4 , 4.D > RF2 4D_Preview . Question 4 Score: 0/10 0/5 answered RF2_4D_Preview . Question 3 Graph the function r(t) = 0.2 sin (942.5t + 6 ) by hand. Assuming the base function here is f(x) = sin(x), which of the following are the possible RF2_4D_Preview transformations that led to the graph shown below? Hint Score: 0/10 0/5 answered . Question 1 Part A: What are the period and amplitude of the graph? Round your answers to four decimal places, if decessary. Fill in the blanks: Period : Hint Amplitude: 203 The graph of "g(x) = sin(x-3)" looks like the graph of f(x) = sin(x) except that it has been shifted to the Select an answer v by unit(s). Question Help: Message instructor Part B: What is the effective horizontal shift of the graph? Round your answers to four decimal Calculator places, if necessary. Answer : Submit Question the [Select an answer v shifted left by Su shifted left by Part C: Give the coordinates of the points where the graph crosses the midline. Round your answers to four decimal places, if necessary. shifted right by Answer shifted right by Part D: Sketch a graph of the function. Question Help: Message instructor :" Reflect in ePortfolio Choose File No file chosen Submit Question Question Help: Message instructor Calculator