Solve the Problem $y = - \frac { 1 } { 2 } \sin ( 4 x + 3 \pi$

question 90

Multiple Choice

Solve the problem.
-For the equation $y = - \frac { 1 } { 2 } \sin ( 4 x + 3 \pi$ ) , identify (i) the amplitude, (ii) the phase shift, and (iii) the period.

• A) (i) \(- \frac { 1 } { 2 }\)
• (ii) \(- \frac { 4 \pi } { 3 }\)
• (iii) 4
• B) (i) \(\frac { 1 } { 2 }\)
• (ii) \(- \frac { 3 \pi } { 4 }\)
• (iii) \(\frac { \pi } { 2 }\)
• C) (i) 2
• (ii) \(3 \pi\)
• (iii) \(\frac { \pi } { 2 }\)
• D) (i) \(\frac { 1 } { 2 }\)
• (ii) \(- \frac { 3 \pi } { 4 }\)
• (iii) 4

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