Determine which, if any, of the three statements are equivalent.I) Jan is well or Jan is still recovering.II) If Jan is still recovering, then Jan is not well.III) If Jan is well, then Jan is not still recovering.
A. I, II, and III are equivalent
B. II and III are equivalent
C. I and II are equivalent
D. None are equivalent
Answer: B
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Solve the problem.Find the extreme values of 
subject to 
and 
A. Maximum: none; minimum: 
at 
B. Maximum: none; minimum: 
at 
C. Maximum: none; minimum: 
at 
D. Maximum: none; minimum: 
at 
Determine whether or not the relationship shown in the table is a function.
Does the table define the number of classes missed as a function of the average final exam score?
A. Yes B. No
Restate in a logically equivalent form.It is not tasty or it is not sour.
A. It is not true that it is both tasty and sour. B. If it is not tasty, then it is not sour. C. If it is tasty, then it is sour. D. If it is sour, then it is tasty.
Solve the problem.A bike road race starts at an elevation of 820 feet and passes through 5 stages where the elevation changes by -105 feet, 202 feet, 580 feet, -677 feet, and -407 feet. At what elevation does the race end?
A. -2791 feet B. 2791 feet C. 413 feet D. -361 feet