Write the vector v in the form v1i + v2j, given 
and the angle ? that v makes with the positive x-axis.
= 11, ? = 150°
A. 
i + 
j
B. 
i - 
j
C. - 
i + 
j
D. 11i + 
j
Answer: D
Mathematics
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A. p1(x) = 2x + 2 B. p1(x) = 4x + 2 C. p1(x) = 4x - 2 D. p1(x) = 2x - 2
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Solve the problem.Suppose that the manufacturing cost of a precision instrument is approximated by 
where x is the cost of materials and y is the cost of labor. Find 
A. 108 B. 354 C. 144 D. 1044
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Name the quadrant in which the angle ? lies.sin ? > 0, cos ? > 0
A. I B. II C. III D. IV
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If f is one-to-one, find an equation for its inverse.f(x) = (x - 9)2
A. Not a one-to-one function
B. f-1(x) = 
C. f-1(x) = 
+ 9
D. f-1(x) = 
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