Find a unit vector in the direction opposite of u.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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A graph of y = f(x) follows. No formula for f is given. Graph the given equation.y = f 
?
A. 
B. 
C. 
D. 
Mathematics
Find all the roots of the complex number. Put answers in standard form.Fourth roots of -16
A. 
+ 
j, 
- 
j, - 
+ 
j, - 
- 
j
B. 2 + j, 2 - j, -2 + j, -2 - j
C. 1 + j, 1 - j, -1 + j, -1 - j
D. 8
+ 8
j, 8
- 8
j, -8
+ 8
j, -8
- 8
j
Mathematics
Find the derivative of the function.f(x) = log8 (x7 + 1)
A. 
B. 
C. 
+ 7x6
D. 
Mathematics
Make the following conversion in the metric system.4.90 meters to centimeters
A. 0.49 cm B. 0.049 cm C. 490 cm D. 49 cm
Mathematics