Question 1

What is the range of y = 4cosx?

Accepted Answer

[-4, 4]

Answer

[0, 4]

Answer

[-1, 1]

Answer

[-2, 2]

Question 2

Does cos start at the maximum in the graph?

Accepted Answer

Yes

Answer

No

Answer

Only for sine

Answer

Only when shifted

Question 3

What letter represents the horizontal shift?

Accepted Answer

c

Answer

d

Answer

a

Answer

b

Question 4

Do 2sin3x and 3sin2x have the same period?

Accepted Answer

No, because their b-values differ

Answer

No, because their amplitudes differ

Answer

Yes, because amplitude doesn’t affect period

Answer

Yes, because both have sine

Question 5

Is y = cosx even?

Accepted Answer

Yes

Answer

Only for sine

Answer

No

Answer

Only when x = 0

Question 6

What is simple harmonic motion?

Accepted Answer

Repetitive back-and-forth motion modeled by sine or cosine

Answer

A straight-line motion

Answer

Random oscillation

Answer

Motion that increases over time

Question 7

If the maximum displacement occurs at t = 0, which model best fits the motion?

Accepted Answer

y = acos(bt)

Answer

y = asin(bt)

Answer

y = asin(bt + c)

Answer

y = a(bt)

Question 8

What is the height range of the ferris wheel when f(t) = 30 + 20sin(π/6)t?

Accepted Answer

10 to 50

Answer

0 to 20

Answer

30 to 60

Answer

20 to 40

Question 9

What is the period of y = 6cos(π/2)t?

Accepted Answer

4

Answer

8

Answer

2

Answer

6

Question 10

In y = asinb(t - c) + d, which letter affects the period?

Accepted Answer

b

Answer

d

Answer

a

Answer

c

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