Write the vector v in the form v1i + v2j, given 
and the direction angle ? of v.
= 11, ? = 
A. - 
i + j
B. i - 
j
C. - 
i - 
j
D. 
i j
Answer: C
Mathematics
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A. w = -6x - 6y - 2z - 2 B. w = -6x - 5y - 2z + 4 C. w = -6x - 5y - 2z - 2 D. w = -6x - 5y + 2z - 2
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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = tan u, u = -7x + 6
A. sec2(-7x + 6) B. - sec2(-7x + 6) C. -7 sec2(-7x + 6) D. -7 sec (-7x + 6) tan (-7x + 6)
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Graph the fraction on a number line.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.A markdown is:
A. always based on selling price B. only based on selling price after a markup based on cost C. based on either cost or selling price D. never based on selling price
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