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

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

Correct Answer:

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