Use the region R to evaluate the double integral.
RR bounded by xy = 4, x + y = 5
A. 8
B. 6
C. 12
D. 9
Answer: D
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Solve the problem.The position of an object moving in a straight line is given by s = t2 - 8t, where s is the distance in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 19 feet?
A. 20.0 sec B. 20.9 sec C. 9.7 sec D. 9.9 sec
Solve the problem.A size 8 dress in Country C is size 56 in Country D. A function that converts dress sizes in Country C to those in Country D is 
Find the inverse function.
A. f-1(x) = 
B. f-1(x) = x - 20
C. f-1(x) = 
- 20
D. f-1(x) = 
+ 20
Solve the problem using a known formula.During a chemistry experiment, Ken recorded the temperature of a liquid to be 6° C. Convert this temperature to Fahrenheit.
A. - 14
° F
B. 10
° F
C. 42
° F
D. 35
° F
Divide.6.3 ÷ 0.09
A. 70 B. 0.07 C. 0.7 D. 7