Simplify. Assume that no denominator is zero.
A. 
B. t-8
C. 
D. t4
Answer: C
Mathematics
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Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = 2i + 2j - k, v = -i + k
A. 3; 
i + 
j - 
k
B. 3; 
i - 
j + 
k
C. 9; 
i - 
j + 
k
D. 9; 
i + 
j - 
k
Mathematics
Graph the solution set to the given system of inequalities.x ? 0, y ? 02x + y ? 6x + 2y ? 6
A. 
B. 
C. 
D. 
Mathematics
Match the function with the graph that best describes the situation.The amount of rainfall as a function of time, if the rain fell more and more softly.
A. 
B. 
C. 
D. 
Mathematics
Identify which of the graphs could be the graph of a polynomial function.f(x) = 4x4 + 4x3
A. 
B. 
C. 
D. 
Mathematics