Use a graphing utility to determine which graph below is the graph of the function.
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Use synthetic division to determine whether the number k is an upper or lower bound (as specified) for the real zeros of the function f.k = -2; f(x) = x3 - 4x2 - 5x - 2; Lower bound?
A. Yes B. No
Mathematics
Find the derivative of the function.y = ecos x
A. 
= -esin x
B. 
= sin x ecos x
C. 
= -cos x esin x
D. 
= -sin x ecos x
Mathematics
Solve.
x = 
A. 1
B. 
C. 
D. - 
Mathematics
The resistance y in ohms of 1000 feet of solid metal wire at 77°F can be approximated by the model 
, 
, where x is the diameter of the wire in mils (0.001 in). If the diameter of the wire is doubled, the resistance is changed by approximately what factor? In determining your answer, you can
ignore the constant -0.47.
?
A. 
B. 
C. 4
D. 3
E. 
Mathematics