Solve the equation.
= 
+ 
A. 
B. 
C. {-3}
D. {3}
Answer: D
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 6y - y2 and the y-axis about the y-axis
A. 
?
B. 
?
C. 
?
D. 
?
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.24xy - 7y2 + 36 = 0
A. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±3)
B. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
C. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ± 
)
D. ? = 53.1°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
Solve the problem. Round to the nearest cent.
Mr. and Mrs. Jarmel have a combined taxable income of $416,658. Their W-2 form shows they have already paid $77,205. Calculate their tax refund or payment.
A. $35,924.30 refund B. $44,154.30 payment C. $43,941.64 refund D. $35,924.30 payment
Solve the equation.(2x + 5)1/2 - (x - 2)1/2 = 3
A. {3, 8} B. {-2} C. {2} D. {2, 38}