Find all of the real zeros of the function. Give exact values whenever possible. Identify each zero as rational or irrational.f(x) = x3 - 7x2 + 10x + 6
A. 3 (rational), -2 + 
(irrational), and -2 - 
(irrational)
B. 3 (rational), 2 + 
(irrational), and 2 - 
(irrational)
C. 3 (rational), 
(irrational), and -
(irrational)
D. 3 (rational), 1 + 
(irrational), and 1 - 
(irrational)
Answer: B
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Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region.
over the rectangular cube 
A. 
B. 
C. 
D. 
Solve the problem.A power outage affected all homes and businesses within a 20 mi radius of the power station. If the power station is located 14 mi north of the center of town, find an equation of the circle consisting of the furthest points from the station affected by the power outage.
A. x2 + (y + 14)2 = 400 B. x2 + (y - 14)2 = 20 C. x2 + y2 = 400 D. x2 + (y - 14)2 = 400
Divide and simplify to the form a + bi.
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
- 
i
Solve the problem.A rotating beacon is located 11 ft from a wall. If the distance from the beacon to the point on the wall where the beacon is aimed is given by a = 11|sec 2?t|,where t is in seconds, find a when t = 0.41 seconds. Round your answer to the nearest hundredth.
A. -13.03 ft B. 39.43 ft C. 26.23 ft D. 13.03 ft