Answer the question.For which of the following functions do both fx and fy exist?
A. II. and IV.
B. II., III., and IV.
C. IV. only
D. I. and II.
Answer: A
Mathematics
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Solve for the missing number.
= 
A. 10
B. 
C. 5
D. 2
Mathematics
Solve the problem.An experienced bank auditor can check a bank's deposits twice as fast as a new auditor. Working together it takes the auditors 6 hours to do the job. How long would it take the experienced auditor working alone?
A. 9 hr B. 6 hr C. 18 hr D. 12 hr
Mathematics
Find r if AB = 32 and AD = 40.
?
?
A. r = 14 B. r = 10 C. r = 9 D. r = 7 E. r = 5
Mathematics
Find the missing numerator.
- 
= 5
A. 
B. 5x
C. 5
D. 
Mathematics