A bridge is supported by three arches. The function that describes the arches is h(x)=–0.25x2 + 2.375x, where h(x) is the height, in metres, of the arch above the ground at any distance, x, in
metres, from one end of the bridge. How far apart are the bases of each arch?
a, 9.5 m
b. 9.2 m
c.
d.
10.3 m
I
8.6 m