Find the equation of the transverse axis of the hyperbola.
- 
= 1
A. x = -y
B. y = 0 (x-axis)
C. x = 0 (y-axis)
D. y = 
x
Answer: C
Mathematics
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Solve the differential equation subject to the initial conditions.2 
- 4xy = 8x; y = 3 when x = 0
A. y = 2 + 3ex2 B. y = -1 + 4ex2 C. y = -2 + 5e-x2 D. y = -2 + 5ex2
Mathematics
Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 46 watches B. 79 watches C. 20 watches D. 39 watches
Mathematics
Find the quotient, or, if applicable, state that the expression is undefined.
A. 30 B. 1 C. 0 D. The expression is undefined.
Mathematics
Subtract.794 - 326
A. 468 B. 568 C. 452 D. 478
Mathematics