Show That the Function Is Concave Upward Wherever It

question 14

Multiple Choice

Show that the function is concave upward wherever it is defined. ​

• A) The function is defined for any value of x and hence the function is concave upward for any x.
• B) The second derivative of is . It is positive for any value of x, hence the function is concave upward for any x.
• C) The first derivative of is . It is positive for any value of x, hence the function is concave upward for any x.

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