Is the following correspondence a function?Domain: All students attending the University of OhioCorrespondence: Each student's teachersRange: A set of teachers
A. Yes
B. No
Answer: B
Mathematics
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Solve.Use the approximations ln 4 ? 1.386 and ln 5 ? 1.609 together with the properties of natural logarithms to calculate an approximation to ln 
.
A. 0.805 B. 0.693 C. 1.268 D. 2.589
Mathematics
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 = -4, y = 4, z = 0 B. x = 0, y = 4, z = -4 C. x = 4, y = 4, z = -4 D. x = -4, y = 0, z = 4
Mathematics
Solve the problem.A redwood tree is 66.8 meters tall. Convert this to feet. Round to the nearest hundredth of a foot. 
A. 218.44 ft B. 169.67 ft C. 20.37 ft D. 72.81 ft
Mathematics
Add. Simplify, if possible.-17.15 + 13.62
A. 30.77 B. -3.53 C. 3.53 D. -30.77
Mathematics