Solve, rewrite in interval notation, and graph.
+ 6 ? 12 or 7 - 
> 5
A. 
? [12, ?)
B. (-?, 4) ? [12, ?)
C. (-?, 4] ? [12, ?)
D. 
? (12, ?)
Answer: A
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Use Cramer's rule to determine if the system is inconsistent system or contains dependent equations. 4x - y + 2z = 1 3x + 5y - z = 0-6x - 10y + 2z = 0
A. system is inconsistent B. system contains dependent equations
Find the derivative.f(x) = ln 
A. 
B. 
C. 
D. 
Using a calculator, find to the nearest ten-thousandth.100.9211
A. 2.5118 B. -0.0357 C. -0.0822 D. 8.3387
Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).f(x) = -2 cos 7x ; g(x) = cos x
A. Horizontal shrink by a factor 
, vertical stretch by a factor of 2, reflection across x-axis
B. Horizontal shrink by a factor 
, vertical stretch by a factor of 2, reflection across y-axis
C. Horizontal shrink by a factor 
, vertical stretch by a factor of 7, reflection across y-axis
D. Horizontal stretch by a factor 7, vertical stretch by a factor of 2, reflection across x-axis