Let u[n] be a unit step sequence. the sequence ul-n - n can be described as select one: ? a. xl n-1 for n n and 0 otherwise

answer: a

step-by-step explanation:

10.2 units

the answer is simply just 6n add the two together as they have an n

i need a picture

step-by-step explanation:

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