Is the following correspondence a function?DomainRange 
A. No
B. Yes
Answer: A
Mathematics
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Solve for x. Be sure to reduce your answer. Check your solution.-9x = -27
A. x = 3 B. x = -18 C. x = 2 D. x = 18
Mathematics
Solve the problem.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars. Find a formula for the inverse of this function.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Mathematics
Approximate the surface area of the figure using 3.14 for ?. If necessary, round your answer to the nearest tenth.
A. 479.6 ft2 B. 1653.2 ft2 C. 2449.2 ft2 D. 959.3 ft2
Mathematics
Solve and graph the inequality. Give answer in interval notation.13x - 4 > 12x + 1
A. (5, ?)
B. (-?, -3)
C. (-?, 5)
D. (-3, ?)
Mathematics