Give an appropriate answer.Given the function f(x, y) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y) = 
; ? = 0.12
What will be an ideal response?
Let ? = 0.04. Then if 
< ? and 
< ?, 
= 
? 
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Find the distance between two points.(2, 2) and (8, 10)
A. 10 B. 15 C. 13 D. 7 E. 16
Suppose that y is inversely proportional to x. Use the given information to find the constant of proportionality k. Then use y = 
to find y for the given value of x.y = 32 when x = 9;
Find y given x = 2.
A. k = 72; y = 36
B. k = 144; y = 72
C. k = 
; y = 
D. k = 288; y = 144
Solve.A real estate agent has a rectangular lot available that measures 90 meters by 80 meters. Find its area in square feet. Round to the nearest hundredth, if necessary.
A. 77,460.48 sq ft B. 774,604.8 sq ft C. 7,200 sq ft D. 648 sq ft
Solve the problem.A thermometer reading 
is brought into a room with a constant temperature of 
If the thermometer reads 
after 4 minutes, what will it read after being in the room for 9 minutes? Round your answer to two decimal places.
A. 26.92°F B. 49.84°F C. 69.19°F D. 100.16°F