Decide whether the given functions are inverses.f = {(-9, 15), (6, 0), (0, 22), (15, -9)}g = {(15, -9), (0, 6), (22, 0), (-9, 15)}
A. No
B. Yes
Answer: B
Mathematics
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Find the pair of numbers whose product and sum are given.Product: 160 Sum: -28
A. -20 and -8 B. 20 and 8 C. -20 and 8 D. 20 and -8
Mathematics
Solve the inequality, and graph the solution set.t2 - 2t - 35 ? 0
A. (-?, -5] ? [7, ?)
B. [-5, 7]
C. (-?, -5]
D. [7, ?)
Mathematics
Solve the problem.The function 
can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams (to two decimals) will be present after 
A. 0.2 mg B. 59.11 mg C. 6.29 mg D. 1.08 mg
Mathematics
Perform the indicated exponentiation.(-3)2
A. -6 B. 6 C. -9 D. 9
Mathematics