Question

Give the Amplitude and Period (in terms of Pi), for the function :
y=-3(sin(x))

Answer 1

Amplitude of y = Asin(Bx+C)+D is |A| and the period is 2pi/B

In this case, A = -3, so the amplitude is |-3|=3

Also, B=1, which means that the period is 2pi/1 = 2pi