Is the following correspondence a function??

A. Yes
B. No
Answer: A
Mathematics
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Solve the problem.The expected future population of a small town, which currently has 7400 residents, can be approximated by the formula y = 7400(1.7)-0.2twhere t is the number of years in the future. Find the expected population of the town 50 years in the future.
A. 2516 B. 37 C. 7400 D. 0
Mathematics
The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the hypotenuse.6, 8, 12
A. right triangle; 6 B. right triangle; 8 C. right triangle; 12 D. not a right triangle
Mathematics
Evaluate the factorial expression.
A. 6
B.
C. 30
D. 2!
Mathematics
Find the vertices of the hyperbola.36x2 - 4y2 = 144
A. (0, 2), (0, -2) B. (0, 6), (0, -6) C. (-6, 0), (6, 0) D. (-2, 0), (2, 0)
Mathematics