Evaluate the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the direction angles of the vector. Round to the nearest degree, if necessary.v = i - j - 2k
A. ? = 69°, ? = 111°, ? = 135° B. ? = 80°, ? = 100°, ? = 109° C. ? = 63°, ? = 117°, ? = 154° D. ? = 66°, ? = 114°, ? = 145°
Mathematics
Determine the percentage rate of change of f(t) = 2t3 at t = 5.Enter your answer as just a reduced fraction of form 
.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Is this the graph of y = 2x - ln x2, x > 0? Enter just the word "yes" or "no". 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response.Write a problem for which the solution is "The height of the pole is 
ft."
What will be an ideal response?
Mathematics