The Second Derivative Test Reveals That F (X)= X² - $x = \sqrt { 4 }$

question 34

Multiple Choice

The second derivative test reveals that f (x) = x² - 4 has

• A)nothing significant at x = 4.
• B)a relative maximum at \(x = \sqrt { 4 }\) .
• C)a point of inflection at \(x = \sqrt { 4 }\) .
• D)a relative minimum at x = 0.