Identify the degree and leading coefficient of the polynomial.f(x) = 6x4 + 9x3 + 5
A. Degree: 6; leading coefficient: 4
B. Degree: 8; leading coefficient: 6
C. Degree: 4; leading coefficient: 6
D. Degree: 7; leading coefficient: 6
Answer: C
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The polar coordinates of a point are given. Find the rectangular coordinates of the point.(400, 130°) Round the rectangular coordinates to two decimal places.
A. (-257.12, 306.42) B. (-257.12, -306.42) C. (306.42, 257.12) D. (306.42, -257.12)
Solve the problem.Not all murder cases are solved. The percentages of murder cases solved in various years are listed in the table below. 
Let f(t) represent the percent of murder cases solved at t years since 1999. A reasonable model is 
Find the approximate vertex of f. What does it mean in terms of the situation?
A. (13.28, 64.47); 64.47% of cases were solved in 2012, which is the lowest percent for any year. B. (14, 64); 64% of cases were solved in 2013, which is the lowest percent for any year. C. (14.78, 63.75); 63.75% of cases were solved in 2014, which is the lowest percent for any year. D. (12.78, 63.12); 63.12% of cases were solved in 2012, which is the lowest percent for any year.
Use the vertical line test to determine whether or not the graph is a graph of a function.
A. function B. not a function
The 
-coordinate system has been rotated 
degrees from the 
-coordinate system. The
coordinates of a point in the 
-coordinate system are given. Find the coordinates of the point in the rotated coordinate system.
?
, 
?
A. 
B. 
C. 
D. 
E. 