AP Precalc AB Sem2 Exam: Quiz 3

Give the amplitude or period as requested. 1) Period of y = -4 cos (1/3)x

• 6π

• -4

• π/3

• 4π/3

Tags

CCSS.HSF-IF.C.7E

Find the vertical translation of y = -3 - 2 sin (4x + π/4).

• down 3

• up 4

• up π/4

• up 1/4

Tags

CCSS.HSF-IF.C.7E

Find the period of y = 3 cos (1/2 x + π/3).

• 2π/3

• 2π

• 4π

• 3π

Tags

CCSS.HSF-IF.C.7E

Find the phase shift of the function. y = -3 cos (x + π/2)

• 2 units up

• π/2 units to the left

• 2 units down

• π/2 units to the right

Tags

CCSS.HSF-IF.C.7E

The function graphed is of the form y = a sin bx or y = a cos bx, where b > 0. Determine the equation of the graph.

• y = 4 sin (2x)

• y = -4 cos (2x)

• y = 4 cos (1/2 x)

• y = -4 cos (1/2 x)

Tags

CCSS.HSF-IF.C.7E

The function graphed is of the form y = cos x + c, y = sin x + c, y = cos(x - d), or y = sin(x - d), where d is the least possible positive value. Determine the equation of the graph.

• y = cos (x + 1)

• y = sin (x - 1)

• y = sin x - 1

• y = cos x - 1

Tags

CCSS.HSF-IF.C.7E

The function graphed is of the form y = a tan bx or y = a cot bx, where b > 0. Determine the equation of the graph.

• y = cot 2x

• y = 2 tan x

• y = 2 cot x

• y = tan 2x

Determine the equation of the graph.

• y = -sec 4x

• y = -4 sec x

• y = -csc 4x

• y = 4 csc x