Use transformations of graphs to sketch the graphs of y1 and y2. Graph y2 as a dashed curve.y1 = x2, y2 = - 2(x + 2)2 + 5
A. 
B. 
C. 
D. 
Answer: D
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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?
Simplify.
A. 
B. 
C. 
D. 
Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set. x - y + 2z = 35x + z = 3 x + 5y + z = 18
A. {(3, 0, 3)} B. Cramer's rule does not apply since D = 0; ? C. {(0, 3, 3)} D. {(3, 3, 0)}
Solve the problem.The long jump record, in feet, at a particular school can be modeled by 
where x is the number of years since records began to be kept at the school. What is the record for the long jump 
after records started being kept? Round your answer to the nearest tenth.
A. 25.4 ft B. 22.0 ft C. 25.1 ft D. 25.3 ft