Which guation is represented by the graph?

The First One

Step-by-step explanation:

Try to substitute x by zero for example

(the minus will gone by zero)

You will get y = +2

and the graph you see the y =+2 !!

I hope that it's a clear solution and explanation.

hello from mrbilldoesmath!

answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb

i need more details sorry

step-by-step explanation: