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) =
Answer: D
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Given that the pair of triangles is similar, find the unknown length of the side labeled with a variable.
A. 6 B. 18 C. 20 D. 24
Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. (-2, 5, -3) B. no solution C. (5, -3, -2) D. (-2, -3, 5)
For the compound inequality, give the solution set in both interval and graph forms.x ? 3 or x ? 5
A. (-3, 5)
B. [3, 5]
C. (-?, 3] ? [5,?)
D. (-?, 5]
Solve the problem.Below is a table of data from a high school survey given to 500 parents. Find the probability that a randomly chosen parent would agree or strongly agree that the school is clean. Round to the nearest hundredth.
A. 0.38 B. 0.42 C. 0.37 D. 184