Determine the phase shift of the function.y = 3 cos 
A. 
units to the right
B. 3 units down
C. 3 units up
D. 
units to the left
Answer: D
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A manufacturer of wooden chairs and tables must decide in advance how many of each item will be made in a given week. Use the table to find the system of inequalities that describes the manufacturer's weekly production.Use x for the number of chairs and y for the number of tables made per week. The number of work-hours available for construction and finishing is fixed.
A. 3x + 2y ? 0 2x + 4y ? 0 x ? 30 y ? 24 B. x ? 5 y ? 6 C. x ? 6 y ? 4 D. 3x + 2y ? 30 2x + 4y ? 24 x ? 0 y ? 0
Find the value of the unknown variable.Find h if A = 
(b + B)h, A = 87 cm2, b = 19 cm, and B = 10 cm.
A. 190 cm
B. 6 cm
C. 72
cm
D. 14
cm
Fill in the blank with one of the words or phrases listed below. Not all choices will be used.
The process of eliminating the radical in the denominator of a radical expression is called 
.
A. rationalizing the denominator B. like radicals C. conjugate D. principal square root
Using the factoring method, solve for the roots of the quadratic equation.3x2 - 13x = 0
A. x = 
, x = - 
B. x = 0
C. x = - 
, x = 0
D. x = 
, x = 0