Solve the application problem.If the cost, C(x), for manufacturing x units of a certain product is given by 
, find the number of units manufactured at a cost of $8900.
A. 60 units
B. 20 units
C. 70 units
D. 110 units
Answer: A
Mathematics
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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin
= cos
A. 
, 
B. 0, ?
C. ?
D. 0, 
, ?, 
Mathematics
Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.2x - 
= 
x2
A. -3.100, -0.233 B. 3 C. -0.333 D. 0.333, 3
Mathematics
Explain the mistake, then work the problem correctly.-2x2y ? 6x6y10 = -12x12y10
What will be an ideal response?
Mathematics
Find the area or perimeter of the figure as indicated. Express the answer in terms of ? and then round to the nearest tenth.Find the area.
A. 88 + 8? ? 113.1 m2 B. 88 + 64? ? 289.1 m2 C. 112 + 8? ? 137.1 m2 D. 88 + 16? ? 138.3 m2
Mathematics