If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(7, 3), (8, 3), (9, 6), (10, -7)}
A. {(3, 7), (8, 6), (9, -7)}
B. Not one-to-one
C. {(7, -7), (7, 6), (9, 8)}
D. {(3, 7), (-7, 6), (9, 8)}
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Use the following information to classify the triangle.
A. equilateral B. isosceles C. scalene
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The matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
A. x = -5, y = -4, z = 5 B. x = -4, y = -5, z = 5 C. x = -5, y = 5, z = -4 D. x = -4, y = 5, z = -5
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Find a ? b.a = 2i + 2j, b = -2.5i - 3j
A. 
B. -11
C. 
D. -1
Mathematics