12:27 PM WebAssign . LOG IN x\" D WeBWorK : fairmontschools ×, D Help Entering i

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12:27 PM WebAssign . LOG IN x" D WeBWorK : fairmontschools ×, D Help Entering inequalities × cOhttps: /courses1.webwork.maa.org/webwork2/fairmontschools math2042-2054 CATHW1 . (6 points) Suppose y =-3 cos (9t + 12)--4. In your answers, enter pi for . (a) What is the phase shift? (b) What is the horizontal shift? help (numbers) help (numbers) Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have 6 attempts remaining. Email instructor

Explanation / Answer

y = -3cos(9t+12) - 4

a) the phase shift = -12/9 = -4/3

b) the horizontal shift = -12

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