Tell whether the relation is a function.
A. Function
B. Not a function
Answer: A
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Find the LCD for the given fractions.
and 
A. 4 B. 56 C. 180 D. 720
Solve the problem. Round your answer to the nearest tenth, if necessary.Working together, Rick and Juanita can complete a job in 6 hr. It would take Rick 9 hr longer than Juanita to do the job alone. How long would it take Juanita alone?
A. 9 hr B. 6 hr C. 15 hr D. 3 hr
Solve the problem.The number of reports of a certain virus has increased exponentially since 1960. The current number of cases can be approximated using the function 
where t is the number of years since 1960. Estimate the of cases in the year 2000.
A. 453 cases B. 340 cases C. 440 cases D. 907 cases
Find the probability.What is the probability that a card drawn from a deck of 52 cards is not black?
A. 
B. 
C. 
D. 2