Please help me with this algebra question.

The total profit function p(x) for a company producing x thousand units is given by p(x)=-2x^2+28x-66. Find the value of x for which the company makes a profit .

A.x is less than 11 thousand units

B. X is greater than 3 thousand units

C. X is between 3 thousand units and 11 thousand

D. X is less than 3 thousand units or greater than 11 thousand units