F(x)= −4x^2 + 10x − 8, What is the value of the discriminant of f?
How many distinct real number zeros does f have?

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Which compound inequality could be represented by the graph?

Find the nonpermissible replacement for binthis expression.b2/5b +5