Identify the greatest common factor.6x2y + 2xy - 6y2
A. 6y
B. 2xy
C. 2x2y
D. 2y
Answer: D
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Provide an appropriate response.(a) Show that 
dx = 
e-4 < 0.0092 and hence that 
dx < 0.0092.(b) Explain why this means that 
dx can be replaced by 
dx without introducing an error of magnitude greater than 0.0092.
What will be an ideal response?
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds). s (m)
When is the body moving backward?
A. 2 < t < 3, 4 < t < 5, 7 < t < 9 B. 8 < t ? 10 C. 2 < t < 3, 4 < t < 5, 7 < t < 8 D. 8 < t < 9
Find the domain of the logarithmic function.f(x) = log7(x2 + 4x + 4)
A. (-2, ?) B. (-?, -2) ? (-2, ?) C. (2, ?) D. (-?, 0) ? (0, ?)
Write the first four terms of the sequence.an = (-1)n - 1(8n - 9)
A. -1, 7, 15, 23 B. 1, 7, -15, -23 C. -1, -7, 15, -23 D. -1, -25, 15, -23