Rationalize the denominator.
A. 
B. 
C. 
D. none of these
Answer: B
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Graph the function.y = 
A. 
B. 
C. 
D. 
Provide an appropriate response.Define f(0, 0) in a way that extends f(x, y) = 
to be continuous at the origin.
A. f(0, 0) = 2 B. f(0, 0) = 16 C. f(0, 0) = 0 D. f(0, 0) = 8
Solve.The formula for converting from Celsius temperature to Fahrenheit temperature is TF = 
TC + 32, where TC is the temperature in degrees Celsius. (i) Solve the formula for TC. (ii) Find the corresponding Celsius temperature for a temperature of 161°F. Round to the nearest tenth, if necessary.
A. (i) TC = 
(TF - 32)
(ii) 232.2°C
B. (i) TC = 
TF - 32
(ii) 321.8°C
C. (i) TC = 
TF - 32
(ii) 85.9°C
D. (i) TC = 
(TF - 32)
(ii) 71.7°C
Determine the standard equation of the hyperbola with the given characteristics and sketch the graph.The center is at (0, 0), a vertex is at (0, 3), and a focus is at (0, -3
).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1