The first derivative f ' is given. Find all values of x that make the function a local minimum and a local maximum.f'(x) = (x + 8)(x + 4)
A. No local extrema
B. Local minimum at x = -4; local maximum at x = -8
C. Local minimum at x = -4 and 0; local maximum at x = -8
D. Local minimum at x = 4; local maximum at x = 8
Answer: B
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Decide whether or not the network is traversable.Is it possible to walk through each door of the house exactly once?
A. Yes B. No
Assume you have a graph with vertex set V = {A, B, C, D, E} and edge set E = {CD, CB, DA, DB, EA, AA}.The degree of vertex A is
A. 3. B. 2. C. 1. D. 4. E. none of these
Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.logn
A. 
logn6 + 
lognx - 
lognz
B. 
logn6 + 5 lognx - 9 lognz
C. 
logn6 + 
lognx + 
lognz
D. 
logn6 - 
lognx - 
lognz
Simplify.
A. 15 B. does not exist as a real number C. 16 D. 112