Use the graphs to evaluate the expression.(g ? f)(2)y = f(x)y = g(x)
A. 5
B. 3
C. 2
D. 4
Answer: D
Mathematics
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Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 5 miles per hour. In how many hours will they be 45 miles apart?
A. 1 hour B. 3 hours C. 4 hours D. 5 hours
Mathematics
Write < or > between the pair of numbers to make the statement true.9 ? 1
A. < B. >
Mathematics
Find the probability.If you are dealt two cards successively (without replacement) from a standard 52-card deck, find the probability of getting two black cards.
A. 
B. 
C. 
D. 
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 1
D. 
Mathematics