Question

Which could be an equation for the graph?

y = cos(x + 3)
y = –3cos(x)
y = –3sin(x)

Answer 1

Determine the following for the graph:

Minimum:

✔ -3

Maximum:

✔ 3

What is the amplitude?

✔ 3

What is the vertical shift from the parent function?

✔ 0

Which could be an equation for the graph?

y = cos(x + 3)

✔ y = –3cos(x) or B.)

y = –3sin(x)

Answer 2

Which could be an equation for the graph?

y = cos(x + 3)

y = –3cos(x)

y = –3sin(x)

B.y = –3cos(x)

Is Correct