Multiple Choice
Show that the function is concave upward wherever it is defined.
A) The function g(x) is defined for any value of x and hence the function is concave upward for any x.
B) The second derivative of g(x) is . It is positive for any value of x, hence the function is concave upward for any x.
C) The first derivative of g(x) is . It is positive for any value of x, hence the function is concave upward for any x.
Correct Answer:

Verified
Correct Answer:
Verified
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