Solve the problem.Determine which of the following sets is a vector space.V is the line y = x in the xy-plane: V = 
W is the union of the first and second quadrants in the xy-plane: W = 
U is the line y = x + 1 in the xy-plane: U = 
A. V only
B. U and V
C. W only
D. U only
Answer: A
Mathematics
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Solve the problem.If 
f(x) = L, which of the following expressions are true? I. 
f(x) does not exist. II. 
f(x) does not exist. III. 
f(x) = L IV. 
f(x) = L
A. I and II only B. II and III only C. III and IV only D. I and IV only
Mathematics
Convert using dimensional analysis.A 13.5 feet by 11.5 feet room is to be carpeted. Calculate the area in square yards. Round to the nearest tenth.
A. 17.3 yd.2 B. 155.3 yd.2 C. 51.8 yd.2 D. 465.9 yd.2
Mathematics
Find the requested angle.In a right angle triangle, the second angle is 25°. What is the measure of the third angle?
A. 25° B. 155° C. 65° D. 115°
Mathematics
Determine whether the vectors v and w are orthogonal.v = < 3, -9 >, w = < -6, -2 >
A. Orthogonal B. Not orthogonal
Mathematics