State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = 11i + 7j, b = 7i - 11j
A. Parallel, opposite directions
B. Perpendicular
C. Parallel, same direction
D. Neither
Answer: B
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Find the integral.
dx
A. ln |12x + 2| + C
B. 
ln 
+ C
C. - 
+ C
D. 
ln |12x + 2| + C
A country that has high political instability and increasing incidents of terrorism will be still be considered a high risk for foreign direct investments, even if the country's labor force is cheap.
Answer the following statement true (T) or false (F)
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Identify the conic section that the polar equation represents. Describe the location of a directrix from the focus located at the pole.r = 
A. ellipse; The directrix is 1 unit(s) above the pole at y = 1. B. ellipse; The directrix is 1 unit(s) to the right of the pole at x = 1. C. ellipse; The directrix is 1 unit(s) below the pole at y = - 1. D. ellipse; The directrix is 1 unit(s) to the left of the pole at x = - 1.