Find the y-intercept of the polynomial function.f(x) = -x2(x + 6)(x2 - 1)
A. -6
B. -1
C. 6
D. 0
Answer: D
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Solve the problem.A rectangular swimming pool is being constructed, 18 feet long and 100 feet wide. The depth of the pool is measured at 3-foot intervals across the width of the pool. Estimate the volume of water in the pool using the Parabolic Rule.
A. 7700 ft3 B. 10,200 ft3 C. 5800 ft3 D. 8700 ft3
Solve the problem.A musician plans to perform 5 selections. In how many ways can she arrange the musical selections?
A. 120 B. 60 C. 50 D. 25
Provide an appropriate response.The mail carrier takes away 3 bills for $268 each. Are you richer or poorer? by how much?
A. Richer by $2010; (-3) ? (-268) = 2010 B. Poorer by $2010; 3 ? (-268) = -2010 C. Poorer by $804; 3 ? (-268) = -804 D. Richer by $804; (-3) ? (-268) = 804
Solve the problem.The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit 
above the earth in 
at a velocity of 
how long would it take a satellite to complete an orbit if it is at 
/> above the earth at a velocity of 
(Use 
as the radius of the earth.)
A. 32.43 hr
B. 4.93 hr
C. 199.52 hr
D. 19.95 hr