Identify the horizontal like passing through the point (2, -3)

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Atemperature of 1.64◦f corresponds to answer in units of ◦c.