Use the graph of the rational function f(x) to complete the statement.As x?+?, f(x)? 
. 
A. 1
B. -?
C. 0
D. +?
Answer: C
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Evaluate the expression using the given values.
?x = 3, y = 10
A. 
B. 
C. 
D. 
Solve the problem.Find the fourth-degree polynomial satisfying the following conditions.P(-2) = -122, P(-1) = 23, P(0) = 18, P(1) = -23, P(2) = -250
A. P(x) = -11x4 - 3x3 - 7x2 - 20x + 18 B. P(x) = 2268x4 + 354x3 - 250x2 - 354x + 18 C. P(x) = 11x4 + 3x3 - 7x2 - 20x + 18 D. P(x) = -2268x4 - 354x3 - 250x2 - 354x + 18
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).xy = 1
A. 2r sin ? cos ? = 1 B. 2r2 sin ? cos ? = 1 C. r2 sin 2? = 2 D. r sin 2? = 2
Examine the function 
for relative extrema.
?
A. saddle point at 
B. ?relative minimum at 
C. ?saddle point at 
D. ?relative maximum at 
E. ?saddle point at 