Describe the graph of the line y = 15 A) line with slope of 15
B) crosses the x-axis
C) vertical line
D) horizontal line

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.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

What is the difference between the equations of a vertical and a horizontal line?