Determine whether the relation is a function.{(-5, -2), (-2, -1), (2, -5), (2, -2)}
A. Not a function
B. Function
Answer: A
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Solve the problem.Find the measure of an angle, if its supplement measures 58° more than twice its complement.
A. 58° B. 32° C. 116° D. 68°
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income between $15,000 and $44,999 inclusive?
A. 0.49 B. 0.74 C. 0.28 D. 0.46
Determine whether the system corresponding to the given augmented matrix is consistent or inconsistent. If it is consistent, give the solution.
A. consistent; x = 7, y = -3, z = -5; (7, -3, -5) B. consistent; x = 7 + 5z, y = -3 - 9z, z any real number or {(x, y, z)|x = 7 + 5z, y = -3 - 9z, z any real number} C. consistent; x = 7 - 5z, y = -3 + 9z, z any real number or {(x, y, z)|x = 7 - 5z, y = -3 + 9z, z any real number} D. inconsistent