Answer:
Amplitude is 0.3; period is 6π
Step-by-step explanation:
The amplitude is |-0.3| = 0.3.
The period and frequency are related through
2π
period = ----------
b
where b is the coefficient of the independent variable; here that coefficient is 1/3.
Thus, the period here is found using b = 1/3:
period = 2π/b, or 2π/(1/3), or 6π
