The water level of a river was measured each day during a two-week period. The graph models the linear relationship between the water level of the river in feet and the number of
days the water level was measured.
Water Level of River
y
28
24
16
Water Level (ft)
12
8
4
0
2
4
12
141
6 8 10
Number of Days
Which statement best describes the y-intercept of the graph?

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2