Find the phase shift of the function.y = -4 sin 
A. 
units to the right
B. 4? units up
C. 
units to the left
D. 4? units down
Answer: A
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Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
. Find R(x).
A. R(x) = 54x - 0.3x2 B. R(x) = 52x + 0.3x2 C. R(x) = 51x - 0.6x2 D. R(x) = 52x - 0.3x2
Solve the problem.One side of a triangle is twice as long as a second side. The third side of the triangle is 11 feet long. The perimeter of the triangle cannot be more than 41 feet. Find the longest possible values for the other two sides of the triangle.
A. 9 feet and 18 feet B. 15 feet and 15 feet C. 10 feet and 20 feet D. 26 feet and 26 feet
Factor the sum or difference of cubes.27x12 + 8
A. (3x4 + 2)(9x8 - 2x4 + 4) B. (3x4 - 2)( 3x4 + 2) C. (3x4 - 2)(9x2 + 6x4 + 4) D. (3x4 + 2)(9x8 - 6x4 + 4)
Find area of figure. Round to the nearest hundredth if necessary.Find the area of a rectangle measuring 6
mi by 11
mi.
A. 66
mi2
B. 73
mi2
C. 18 mi2
D. 36 mi2