The given polynomial expression is
[tex]\begin{gathered} -7x^2+\text{ 32x + 240} \\ \text{When x = 6, the daily revenue would be} \\ -7(6)^2+\text{ 32(6) + 240} \\ -\text{ 262 + 192 + 240 } \\ =\text{ 170} \end{gathered}[/tex]The daily revenue when the value of x is at 6 is 170