Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, 0) for cos xy + yex = 0.
A. 
B. 1
C. e
D. 0
Answer: D
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Consider a function 
. When f is not changing, what can be said about 
?
?
A. is positive.
B. is negative.
C. is zero.
D. is increasing.
Find the probability.A basketball team is to play two games in a tournament. The probability of winning the first game is .10. If the first game is won, the probability of winning the second game is .15. If the first game is lost, the probability of winning the second game is .25. What is the probability the first game was won if the second game is lost?
What will be an ideal response?
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height h of the outside walls.
a = b = 9 m
A. 17 m B. 145 m C. 12 m D. 55 m
Convert the decimal to a percent. 0.3
A. 0.3% B. 0.03% C. 30% D. 300%