What are the solutions of x2-4x+5=0

What kind of bond pays interest which is exempt from tax?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.