Mathematics Word Problem Help!!?

gonzalez17

New member
The Gateway Arch in St. Louis was designed by Eero Saarinen and was constructed using the equation below for the central curve of the arch, where x and y are in meters and |x| 91.20.
y = 211.49 - 20.96cosh ( 0.03291765x )

(a) What is the height of the arch at its center? (Round the answers to two decimal places.)
(b) At what points is the height 110 m?
x =___________________ m (smaller value)
x =___________________ m (larger value)

(c) What is the slope of the arch at the points in part (b)?
y' =_____________ (smaller x value)
y' =_____________ (larger x value)
 
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