Find the Period and Amplitude $\frac { 1 } { 7 }$

question 3

Multiple Choice

Find the period and amplitude. ​
Y = -7 sin x
​

• A)Period: π;Amplitude: -7
• B)Period: π;Amplitude: \(\frac { 1 } { 7 }\)
• C)Period: 2π;Amplitude: 7
• D)Period: 2π;Amplitude: \(- \frac { 1 } { 7 }\)
• E)Period: 2π;Amplitude: 1

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