If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(1, -2), (2, -2), (3, -9), (4, 6)}
A. {(1, 6), (1, -9), (3, 2)}
B. Not one-to-one
C. {(-2, 1), (2, -9), (3, 6)}
D. {(-2, 1), (6, -9), (3, 2)}
Answer: B
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Solve the problem.The area of a rectangle is 12m2 - 2m - 24. Find the length if the width is 4m - 6.
A. 12m + 4 B. 3m + 4 C. 12m - 4 D. 3m - 4
The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using backward substitution.
Write the solution as an ordered triple, if possible.
A. No solution B. (60, -22, 5) C. (65, -24, 5) D. (60, -24, 5)
Find the unknown value.17 is 2% of what number?
A. 8500 B. 34 C. 85 D. 850
Suppose that y is directly proportional to x. Use the given information to find the constant of proportionality k. Then use y = kx to find y for the given value of x.y = 39 when x = 6;
Find y given x = 12.
A. k = 6.5; y = 78
B. k = 234; y = 
C. k = 6.25; y = 75
D. k = 6.5; y = 90