Find the value of the variables

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.

Given that abcd is a rhombus, what is the value of x?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?