Find the phase shift of the function.y = cos 
A. - 
B. 
C. 2?
D. 1
Answer: B
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Write the statement in sentence form. Let p, q, and r represent the following statements.p: The puppy behaves well.q: His owners are happy.r: The puppy is trained.r ? (p ? q)
A. The puppy is trained if the puppy behaves well and his owners are happy. B. The puppy is trained, and if the puppy behaves well then his owners are happy. C. The puppy is trained, or if the puppy behaves well then his owners are happy. D. If the puppy is trained then the puppy behaves well, and his owners are happy.
Sketch the graph of the function and find the domain and range.f(x) = (x - 2)2 - 1
A. domain: all real numbers
range: y ? -1
B. domain: all real numbers
range: y ? 2
C. domain: all real numbers
range: y ? -2
D. domain: all real numbers
range: y ? -1
Solve the rational inequality. Write the solution set in interval notation.
< 0
A. (-?, ?) B. (-?, -4) C. ? D. (-4, 0)
Match the equation of the parabola with the appropriate description.y = 3x2 - 5x + 4
A. Opens up B. Opens right C. Opens down D. Opens left