Question 1

What is the amplitude of $y=3\sin2x$ ?

Accepted Answer

3

Question 2

y=3cos2x . What is the period?

Accepted Answer

180 degrees

Answer

360 degrees

Answer

120 degrees

Answer

720 degrees

Question 3

y=3 tan ¹/₂x ; What is the period?

Accepted Answer

360 degrees

Answer

720 degrees

Answer

90 degrees

Answer

180 degrees

Question 4

f(x)=2 cos x and g(x)= 2 cos (x+30). What was the translation from f(x) to g(x)?

Accepted Answer

horisontal shift of 30 degrees left

Answer

horisontal shift of 30 degrees right.

Answer

vertical shift of 2 units down

Answer

vertical shift of 2 units up

Question 5

g(x)=2sin2x; then 3g(x) will have a range of:

Accepted Answer

[-6; 6]

Answer

[-2; 2]

Answer

[-4; 4]

Answer

[-3; 3]

Answer

[-5; 5]

Question 6

What is the period of: y=4sin(3x-60)+1? Just type the integer, no degrees necessary.

Accepted Answer

120

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