1.

A. Range: a = 1 therefore the range = [-1, 1]

Period = = (approx. = 1.571)

B.

2.

A. Range: a = 1 therefore range is [-1, 1]

Period = = (approx. = 12.566)

B.

3.

A. Range: a = 6 therefore range is [-6, 6]

Period = = (approx. = 3.142)

B.