At what points is the given function continuous?f(x, y) = 
A. All (x, y)
B. All (x, y) satisfying x - y ? 0
C. All (x, y) such that x ? 0
D. All (x, y) such that x ? 
and x ? -2
Answer: D
You might also like to view...
Add. Simplify the result whenever possible. 
y + 
y
A. 
y
B. 
y
C. 
y2
D. 
y2
Solve the problem.Cindy has scores of 73, 83, 85, and 89 on her biology tests. Use a compound inequality to find the range of scores she can make on her final exam to receive a C in the course. The final exam counts as two tests, and a C is received if the course average is between 70 and 79.
A. 10 ? final score ? 32.5 B. 45 ? final score ? 72 C. 90 ? final score ? 144 D. 70 ? final score ? 79
Factor.x3 + x2y - 25yz2 - 25xz2
A. (x + y)(x + 5z)2 B. (x + y)(x + 5z)(x - 5z) C. (x + y)(x - y)(x - 5z) D. (x + y)(x + z)(x - 5)
Find a slope-intercept form equation for the line.Through (5, 3), with slope - 
A. y = 
x + 
B. y = - 
x + 
C. y = 
x - 
D. y = - 
x + 