How do we write a set in set- builder method?​

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

What is the standard form of -5x^2+2x^4-11+x^3+3x

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.