Perform the indicated operation.Find (f - g)(x) if f(x) = 
- 5 and g(x) = 3
+ 5
A. 6
B. -10
C. 0
D. 6
- 10
Answer: B
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Find the asymptotes of the hyperbola.y2 - x2 - 14y + 10x + 8 = 0
A. y - 7 = 
(x - 5), y - 7 = - 
(x - 5)
B. y - 7 = x - 5, y - 7 = -(x - 5)
C. y - 7 = 4(x - 5), y - 7 = -4(x - 5)
D. y = 
x, y = - 
x
Solve the problem.The voltage drop V across a resistor is the product of the current i (in A) and the resistance R (in ?). Find the possible voltage drops across a variable resistor R, if the minimum and maximum resistances are between 2.4 k? and 3.4 k?, respectively, and the current is constant at 2.5 mA. Graph the solution.
A. V < 6 or V > 8.5
B. V < 6
C. 4.9 < V < 5.9
D. 6 < V < 8.5
Solve the problem.The level of a sound in decibels (db) is determined by the formula 
where I is the intensity of the sound in watts per square meter. What is the intensity of a noise measured at 53 db? Express the answer in scientific notation, rounded to two decimal places.
A. 2.00 × 10-7 watt/m2 B. 2.00 × 1014 watt/m2 C. 5.30 × 10-10 watt/m2 D. 2.00 × 10-6 watt/m2
Determine whether the two given lines are parallel, perpendicular, or neither.-5x - 4y = -20y = 
x + 9
A. parallel B. perpendicular C. neither