Find the roots of the equation, and check them using the Vieta's theorem:

x^2−6x−11=0

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

Find the domain and range of the following function f(x) = 51x - 21+ 4

For the word below, click on the drop-down arrows to select the root and its meaning. version