To simplify the expression [tex]\( 2 \sqrt{16} - 9 \)[/tex], let's go through it step-by-step:
1. Evaluate the square root:
[tex]\[
\sqrt{16} = 4
\][/tex]
2. Multiply by 2:
[tex]\[
2 \times 4 = 8
\][/tex]
3. Subtract 9 from the result:
[tex]\[
8 - 9 = -1
\][/tex]
So, the simplified form of the expression [tex]\( 2 \sqrt{16} - 9 \)[/tex] is [tex]\(-1\)[/tex].
The correct answer is:
C. [tex]\(-1\)[/tex]