Provide an Appropriate Response $c$ Does the Quadratic Function $f ( x ) = 3 x ^ { 2 } + 8 x + c$

Multiple Choice

Provide an appropriate response.
-For what value of $c$ does the quadratic function $f ( x ) = 3 x ^ { 2 } + 8 x + c$ have exactly one $x$ -intercept?

A) $- \frac { 2 } { 3 }$
B) $\frac { 2 } { 3 }$
C) $\frac { 16 } { 3 }$
D) 16