Identify the roots of the quadratic shown. What is the sum when the roots are added? A) −17 B) −8 Eliminate C) 0 D) 26

Precalculus question, image attached.

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?