Find the Range of the Quadratic Function in Interval Notation $$f ( x ) = 4 x ^ { 2 } - 2 x - 9$$

question 228

Multiple Choice

Find the range of the quadratic function in interval notation.
- $$f ( x ) = 4 x ^ { 2 } - 2 x - 9$$

• A) \(\left[ \frac { 1 } { 4 } , \infty \right)\)
• B) \(\left( - \infty , - \frac { 37 } { 4 } \right]\)
• C) \(\left[ - \frac { 37 } { 4 } , \infty \right)\)
• D) \(\left( - \infty , \frac { 1 } { 4 } \right]\)