Plot the ordered pair in the coordinate plane. In which quadrant or on which axis does the point lie?(2, -1)
A. Quadrant III
B. Quadrant I
C. Quadrant II
D. Quadrant IV
Answer: D
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Describe the largest set S on which it is correct to say that f is continuous.f(x, y) = 
A. {(x, y): x ? 0}
B. {(x, y): x ? 
and x ? -2}
C. {(x, y): x - y ? 0}
D. Entire plane
Write a rational function that models the problem's conditions.The area of a rectangular photograph is 68 square inches. It is to be mounted on a rectangular card with a border of 1 inch at each side, 2 inches at the top, and 2 inches at the bottom. Express the total area of the photograph and the border, A, as a function of the width of the photograph, x.
A. A(x) = 72 + 4x + 
B. A(x) = 76 + 4x + 
C. A(x) = 76 + 2x + 
D. A(x) = 76 + 4x + 
Determine whether the ordered pair is a solution of the given equation.(6, 4)x - y = 2
A. No B. Yes
Provide an appropriate response.When any nonzero number is divided by 0, the result is 
.
A. 0 B. impossible to compute C. the nonzero number D. 1