Graph the inequality on a number line.(2, ?)
A. 
B. 
C. 
D. 
Answer: B
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Find the unit tangent vector T and the principal unit normal vector N. r(t) = (t2 - 5)i + (2t - 5)j + 8k
A. T = 
i - 
j; N = - 
i - 
j
B. T = 
i + 
j; N = 
i + 
j
C. T = 
i + 
j; N = 
i - 
j
D. T = 
i + 
j; N = 
i - 
j
Give an appropriate answer.Given the function f(x, y, z) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y, z) = x + y - z ; ? = 0.09
What will be an ideal response?
Provide an appropriate response.Suppose that a problem asks you to find the height of a triangle, and that the problem leads to a quadratic equation. If h represents the height of the triangle, which of the following solutions to the equation cannot be an answer to the problem?
A. h = 1 + 
B. h = 
C. h = 1 - 
D. h = 
For the given arithmetic series, what is Sn?a1 = 6, d = 15, and n = 41
A. 50,184 B. 25,092 C. 12,552 D. 12,546