Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 
x2 + 2x - 4
A. minimum at 
B. minimum at 
C. maximum at 
D. maximum at 
Answer: B
Mathematics
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Find the derivative of the function at P0 in the direction of u.f(x, y, z) = -4xy3z2, P0(-4, -64, 16), u = -2i + j - 2k
A. - 
B. - 67,108,864
C. - 83,886,080
D. - 
Mathematics
Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s, t), y = h(r, s, t), z = k(r, s, t)
A. 
= 
+ 
+ 
B. 
= 
+ 
+ 
C. 
= 
+ 
+ 
D. 
= 
+ 
Mathematics
Determine whether the argument is valid or invalid.If Ann so wishes, then Bill will be the president. Manuel is a public defender or Bill will be the president. Manuel is not a public defender. Therefore, Ann does not so wish.
A. Valid B. Invalid
Mathematics
Provide an appropriate response.33
% = ? (fraction)
A. 
B. 33
C. 
D. 3
E. none of the above
Mathematics