Function f is 
.
?
Find 
.
?
A. 27
B. 31
C. 30
D. 18
E. 42
Answer: A
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 = 8i + 6j , v = i - j
A. 14; -14k B. 2; -2k C. 14; -k D. 2; 2k
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Solve the equation for y.x = 9y + 2
A. y = 9x - 2
B. y = 
x - 
C. y = 
x - 2
D. y = x - 
Mathematics
If tan?<0 and sin?<0, in what quadrant does ? lie?
What will be an ideal response?
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Write the vertex form of the equation of the parabola shown in the given graph. Assume a = ±1.
A. y = (x - 3)2 + 2 B. y = (x - 3)2 - 2 C. y = -(x - 3)2 - 2 D. y = (x + 3)2 - 2
Mathematics