Evaluate the expression using logarithms. Round to the nearest tenth.
A. 1.8
B. 1.3
C. 57,961.4
D. 62.7
Answer: D
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Solve the problem.The position of a body moving on a coordinate line is given by 
with s in meters and t in seconds. When, if ever, during the interval 
does the body change direction?
A. t = 10 sec B. t = 2.5 sec C. no change in direction D. t = 5 sec
Factor the polynomial completely.- 12x3 + 9x2 + 4x4
A. (4x2 + 3)(x2 + 3) B. x2(4x - 1)(x - 9) C. x2(2x - 3)(2x - 3) D. x(2x + 3)(2x + 3)
Find the perimeter or area of the figure as indicated.Find the perimeter of the trapezoid.
A. 41y m B. 250y m C. 31y m D. 76y m
Solve the linear inequality. Express the solution using set-builder notation and interval notation. Graph the solution set.8x - 2 ? 7x + 2
A. {x|x > 4}; (4, ?)
B. {x|x ? 4}; [4, ?)
C. {x|x > 0}; (0, ?)
D. {x|x ? 4}; (-?, 4]