Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the compound inequality and write the solution set using set-builder notation. Graph the solution set using a number line.2 - 2x ? 10 or 3x - 3 ? 9
A. {x
}
B. {x
}
C. {x
}
D. {x
or x ? 4}
Mathematics
Orthogonally diagonalize the matrix, giving an orthogonal matrix P and a diagonal matrix D.
A.
P = 
, D = 
B.
P = 
, D = 
C.
P = 
, D = 
D.
P = 
, D = 
Mathematics
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.8 cos2 x
A. 4 - 4 cos 2x B. 16 cos x C. 4 + 4 cos 2x D. 1 + cos 2x
Mathematics
Solve the problem.If the first and third of three consecutive odd integers are added, the result is 81 less than five times the second integer. Find the third integer.
A. 25 B. 27 C. 29 D. 54
Mathematics