Use a computer or graphing calculator to find the limit. Begin by plotting the function in an appropriate window.
A. 9
B. 729
C. 81
D. Does not exist
Answer: A
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Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Write the solution set in interval notation.{x|-4 < x < 0}
A. [-4, 0] B. [-4, 0) C. (-4, 0] D. (-4, 0)
Solve the problem by writing an appropriate system of equations and using the inverse of the coefficient matrix to solve the system.The sum of three numbers is 13. The first, plus three times the second, plus the third, is 1. Two times the first, minus the second, plus the third, is 15. Which of the numbers are odd numbers?
A. 29 B. 29 and 7 C. -7 and -29 D. -7
Determine whether the ordered pair is a solution of the given linear equation.5y + 2x = -4; (2, 0)
A. yes B. no