What is the domain of the following relation?

The price of a particular stock is represented by the linear equation , where x represents the number of weeks the stock has been owned and y represents the price of the stock, in dollars. if this relationship continues, what is the price of the stock after it has been owned for 12 weeks? $92.55 $94.37 $100.52 $114.39

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

Use the x-intercept method to find all real solutions of the equation. x^3-10x^2+27x-18=0