$$\text { Find an equation of the tangent line to the graph of } f ( x ) = 2 x ^ { 2 } - 7 \text { at the point } ( 3,11 ) \text {. }$$

$$\text { Find an equation of the tangent line to the graph of } f ( x ) = 2 x ^ { 2 } - 7 \text { at the point } ( 3,11 ) \text {. }$$