Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the xy-plane; range: real numbers > 0; level curves: ellipses 
B. Domain: all points in the xy-plane; range: all real numbers; level curves: ellipses 
C. Domain: all points in the xy-plane except (0, 0); range: real numbers > 0; level curves: ellipses 
D. Domain: all points in the xy-plane except (0, 0); range: all real numbers; level curves: ellipses 
Answer: C
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Use synthetic division to find the quotient and the remainder.x5 + 7x4 + 7x3 - 13x2 + 13x + 16 is divided by x + 5
A. x4 + 2x3 - 3x2 + 2x - 3; remainder 3 B. x4 + 2x3 - 3x2 + 2x + 1; remainder 0 C. x3 + 2x2 - 3x + 2; remainder 1 D. x4 + 2x3 - 3x2 + 2x + 3; remainder 1
Find the future value of the annuity due. Assume that interest is compounded annually, unless otherwise indicated.Payments of $500 made at the beginning of each year for 12 years at 6% compounded annually
A. $8941.07 B. $16,268.30 C. $6985.82 D. $7934.97
Complete the square to write the equation in the form 
+ 
= 1 or 
+ 
= 1.36x2 + 16y2 + 144x - 96y - 288 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Combine. Simplify the answer.38
- 25
A. 13
B. 12
C. 12
D. 11