Please help! also you need to get a mic number for the end will give brainliest

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.

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Given the net of the rectangular prism, what is its surface area?