The cross section of a tent is in the shape of a parabola. The height of the tent f(x) in terms of the width x is shown on the graph below.
Write an equation for f(x) in vertex form.
Domain:
Range:

Find the maximum value of p= 4x + 5y subject to the following constraints :

[tex]5 \times1 \frac{12}{13} [/tex] me

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your