Find the indicated cross product.v = -5i - 6j, w = 2i + 6kFind v × w.
A. -36i + 30j - 12k
B. 12i + 36j - 30k
C. -36i + 30j + 12k
D. -12j - 30k
Answer: C
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Evaluate the integral. 
A. - 
ln 
+ C
B. 
ln 
+ C
C. - 
ln 
+ C
D. 
ln 
+ C
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 2x3 - 7x2 + 8x + 2
A. 0 positive; 1 or 2 negative B. 0 or 2 positive; 1 negative C. 0 or 1 positive; 2 negative D. 0 or 1 positive; 0 or 1 negative
Solve the problem.Suppose you just received a job offer with a starting salary of 
per year and a guaranteed raise of 
per year. How many years will it be before you've made a total (or aggregate) salary of 
?
Fill in the blank(s) with the appropriate word(s).
Find the cumulative distribution function for the given probability density function.f(x) = 
x2; [2, 4]
A. F(x) = 
, 2 ? x ? 4
B. F(x) = 
, 2 ? x ? 4
C. F(x) = 
, 2 ? x ? 4
D. F(x) = 
, 2 ? x ? 4