Provide an appropriate response.How could you solve the equation 
How many equations do you need to solve? What are their solutions?
What will be an ideal response?
Set each factor in turn equal to 0 and solve. There would thus be three equations to solve. The
solutions are - 
, 
, and 
.
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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: all real numbers; level curves: circles with centers at 
B. Domain: all points in the xy-plane satisfying x2 + y2 ? 9; range: real numbers 0 ? z ? 3; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 3
C. Domain: all points in the xy-plane satisfying x2 + y2 = 9; range: real numbers 0 ? z ? 3; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 3
D. Domain: all points in the xy-plane; range: real numbers 0 ? z ? 3; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 3
Shade the Venn diagram to represent the set.C' ? (A ? B)
A. 
B. 
Graph the function. Show at least one period.y = -5 sin
A. 
B. 
C. 
D. 
Convert the units using unit fractions.3 ft = 
in.
A. 108 B. 36 C. 9 D. 12