LOOK AT THE BOTTOM ?????????????????????
1 answer:
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Answer:
Options B and D.
Step-by-step explanation:
The general form of sine function
where, |A| is amplitude, is period,
is phase shift and D is y-intercept.
The general form of cosine function
where, |A| is amplitude, is period,
is phase shift and D is y-intercept.
In function,
Amplitude :
y-intercept : -1
In function,
Amplitude :
y-intercept : -1
In function,
Amplitude :
y-intercept : 0
In function,
Amplitude :
y-intercept : -1
Therefore, the correct options are B and D.