Find an equation for the indicated ellipse.Vertices: (3, -3) and (-5, -3); endpoints of minor axis: (-1, -1) and (-1, -5)
A. 
+ 
= 1
B. 
+ 
= 0
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
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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 z ? 0; level curves: parabolas 
B. Domain: all points in the xy-plane except y = 0; range: real numbers z ? 0 ; level curves: parabolas 
C. Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas 
D. Domain: all points in the xy-plane except y = 0; range: all real numbers; level curves: parabolas 
Find the largest open interval where the function is changing as requested.Increasing y = 7x - 5
A. (-5, ?) B. (-?, ?) C. (-?, 7) D. (-5, 7)
Write the improper fraction as a mixed or whole number.-
A. -146
B. -
C. -148
D. -21
Perform the indicated operation. Simplify the result.
+ 
A. 
B. 
C. 
D. 