DOING A QUIZ PLEASE HELP!
A bridge is supported by three arches. The function that describes the arches is
h(x) = –0.2x2 + 3.0x, 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 tall is each arch?

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s

the correct answer is $7.38

step-by-step explanation: