Answer:
Amplitude:2, period:0.9 and phase shift:7
Step-by-step explanation:
In a function with the form y=Asin(Bx+c)+D, and given the function f(x) = –2sin (7x + 7), we get that:
A is the amplitude: 2
Period is given by 2pi/B, so 2pi/7=0.9
Phase shift is c: 7
