Solve the equation. Give exact solutions.(ln x)2 - 27 = 6 ln x
A. {e-3, e9}
B. {e-3, e-9}
C. {e3, e9}
D. {e3, e-9}
Answer: A
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Solve the problem.A heavy-duty shock absorber is compressed 4 cm from its equilibrium position by a mass of 300 kg. How much work is required to compress the shock absorber 7 cm from its equilibrium position? (A mass of 300 kg exerts a force (in N) of 300g, where g ? 9.8 m/s2.)
A. 18.375 J B. 1,837.5 J C. 180.075 J D. 18,007.5 J
Find the distance between the pair of points. Give an exact answer.(7, 1) and (-6, -4)
A. 194 units
B. 12 units
C. 65 units
D. 
units
Find the circumference. Leave your answer in terms of pi.A semicircle with radius 6 yd
A. 36? yd B. 6? yd C. 12? yd D. 26? yd
Find an equation of a parabola that satisfies the given conditions.Vertex (7, -10), focus (7, -6)
A. (x - 7)2 = 16(y + 10) B. 16(y - 10) = (x + 7)2 C. y - 10 = 16(x + 7)2 D. (y + 10)2 = 16(x - 7)