5 .Which of the following expressions is equivalent to (4s)?
A)B)C) 2
D)6 .If A and B both lie on a circle with an area of 16π, and the length of is 2π, what is the
radian measure of the central angle between A and B ?
A)
B)
C)
D)
7 .Oil is being drained from an oil tank at a constant linear rate. Four hours after draining of
the tank began, the volume of oil in the tank was 740 gallons, and seven hours after
draining of the tank began, the volume was 545 gallons. Which of the following functions
best models v(t), the volume of oil in the tank, in gallons, t hours after draining of the tank
began?
A) v(t) = 740 – t
B) v(t) = 740 – 65t
C) v(t) = 1000 – 195t
D) v(t) = 1000 – 65t
8 .What is the result of multiplying 8s^2 – 6s + 2 by 4s – 1 ?
A) 14 s – 2
B) 16 s^2 + 2s + 2
C) 32 s^3 – 16s^2 + 2s + 2
D) 32 s^3 – 32s^2 + 14s – 29 .If the equation for a parabola is y = 5(x − 3)^2 – 3, which of the following points represents
the parabola’s vertex?
A) (3, –3)