Find the focus and the directrix of the parabola.x2 + 2x - 8y + 17 = 0
A. Focus: (-1, 10); directrix: y = 6
B. Focus: (-1, 4), directrix: y = 
C. Focus: (-1, 0); directrix: y = 4
D. Focus: (-1, 4); directrix: y = 0
Answer: D
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Find the total annual premium. Use the fire insurance rate table. Rates are for each $100 of insurance.
Territorial Rating: 4Building Classification: BBuilding Replacement Cost: $184,000Contents Value: $120,000
A. $230.40 B. $2304.00 C. $1856.80 D. $2316.80
Solve the problem.The magnitude and direction of two forces acting on an object are 35 pounds, 
, and 55 pounds, S30°E, respectively. Find the magnitude, to the nearest hundredth of a pound, and the direction angle, to the nearest tenth of a degree, of the resultant force.
A. 
= 49.17; ? = -11.3°
B. 
= 57.04; ? = -23.6°
C. 
= 43.30; ? = 2.7°
D. 
= 65.19; ? = -7.5°
Find the slope of the line containing the two points.(6, 3); (-3, 6)
A. - 
B. 
C. 3
D. - 3
Given functions f and g, determine the domain of f + g.f(x) = 
,g(x) = 
A. (-?, -4) or (-4, 10) or (10, ?) B. (-?, ?) C. (-?, -10) or (-10, 4) or (4, ?) D. (-?, -5) or (-5, -4) or (-4, ?)