The table represents the function f(x).
what is f(3)?

example:given that f(x)=5x -8 find f(3)

f(x)=5x-8

you replace x with three so it will be 5 X 3

f(3)=5 X 3 - 8

=15 - 8

=120

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3

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