Find the value of the expression without using a calculator.2log4 10
A. 
B. 100
C. 10
D. 20
Answer: A
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Factor.12x3 - 52x2 - 40x
A. (x2 - 5)(12x + 8) B. 4x(3x + 2)(x - 5) C. 4(3x - 2)(x + 5) D. x(3x + 2)(4x - 20)
Convert as indicated. When necessary, round to the nearest tenth of a degree.A weather forecaster has predicted a high temperature of 33° C for tomorrow. Find this temperature in degrees Fahrenheit.
A. 27.4° F B. 91.4° F C. 50.3° F D. -13.7° F
Use the accompanying graph of a particle moving on a coordinate line with velocity v = f(t) in ft/sec at time t seconds. The axes are marked off at one-unit intervals. Use these terms to describe the motion state: moving forward/backward, increasing/decreasing speed, and resting. Recall that speed = 
. 
Give the interval(s) when the speed of the particle is increasing.
A. (0, 2), (5, 6), and (11, 13) B. (0, 2), (5, 6), (11, 13), and (21, 23) C. (0, 2), (5, 6), and (21, 23) D. (0, 6), (11, 15), and (19, 23)
Simplify the expression. Assume that all variables represent positive real numbers.
-2/3
A. 9
B. 2187
C. 
D. 81