Solve the problem.The function f(x) = 1 + 1.3 ln (x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 9 consecutive free throws?
A. 2190 days
B. 470 days
C. 472 days
D. 2192 days
Answer: B
Mathematics
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Sketch D and g(D) from the description of D and change of variables 
x = 3u, y = 
v where D is the rectangle 0 ? u ? 2, 1 ? v ? 4 
?
A.
 ? |  |
B.
 ? |  |
C. None of these.
D.
 ? |  |
Mathematics
Solve the problem relating to the Fibonacci sequence.If a 13-inch wide rectangle is to approach the golden ratio, what should its length be?
A. 20 in B. 8 in C. 21 in D. 34 in
Mathematics
At what points is the given function continuous?f(x, y) = tan (x + y)
A. All (x, y) such that x + y ? 
, where n is an integer
B. All (x, y) ? 
C. All (x, y) ? (0, 0)
D. All (x, y)
Mathematics
Simplify.
A. 1
B. 17
C. 0
D. 
Mathematics