Solve the equation.|2x + 9| + 6 = 14
A. 
B. 
C. no solution
D. 
Answer: B
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Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = 8x + 56, g(x) = x + 6
A. (-?, 13) ? (13, ?) B. (-?, -7) ? (-7, -6) (-6, ?) C. (-?, -13) ? (-13, ?) D. (-?, ?)
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = -3 sin (5t)
A. simple harmonic; -3 m; 
? sec; 
oscillations/sec
B. simple harmonic; -3 m; 5 ? sec; 
oscillations/sec
C. simple harmonic; 3 m; 
sec; 
? oscillations/sec
D. simple harmonic; 3 m; 
? sec; 
oscillations/sec
Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. y ? -2 y ? -x2 + 4 B. y ? 2 y ? x2 + 4 C. y ? -2 y ? -x2 + 4 D. x ? -2 y ? -x2 + 4
Use the multiplication principle of equality to eliminate the fractions or decimals; then solve.
(m - 3) = 
(m + 5) - 
m
A. 
B. 18
C. 
D. 