Find the dot product of u and v.
u = -6i+ 7j- 6k, v = 5i- 6j- 6k
A. -36
B. -12
C. -30i- 42j+ 36k
D. -108
E. -i+ j- 12k
Answer: A
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = sin ln(6x + 1)
A. Q(x) = 1 + 6x + 18x2 B. Q(x) = 1 - 6x + 18x2 C. Q(x) = 6x + 18x2 D. Q(x) = 6x - 18x2
Mathematics
Use the graph of the relation to identify the domain and range.x = y2 - 7
A. domain: (-?, ?) range: (-?, ?) B. domain: [-7, 7] range: (-?, ?) C. domain: [-7, ?) range: (-?, ?) D. domain: (-?, ?) range: [-7, ?)
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Decide whether or not the set is closed under multiplication.{0, 1}
A. Closed B. Not closed
Mathematics
Graph the equation by plotting points.y = x2 - 1
A. 
B. 
C. 
D. 
Mathematics