if triangle uvw is dilated from point u by a scale factor of 2, which of the following equations is true about line segment a'b'?

1. line segment a'b' = line segment 1/2 ab
2. line segment a'b' = line segment 2 ab
3. line segment a'b' = line segment ab
4. line segment a'b' = line segment 3 ab

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.