For a walk a thon a sponsor committed to give you a flat fee of $5 plus $2 for every mile and you walk write an expression for the total amount you will collect from your sponsor at the end of the walk a thon

f(x) = 2+2*x where x is the miles you run

Step-by-step explanation:

Lets call f(x) the function that show how much money the sponsor will give you as a function of the miles you walk (x). If you do not walk any mile you have only $5, then if you walk one mile you get $5+$2=$7, and so on. Lets use a simple table for some values (I will omit $ symbol for simplicity):

x (miles)    f(x) (money)

      1                  5+2

      2                 5+2(2) = 9

      3                 5+3(2) = 11

      10                5+10(2) = 25

      x                     2+2*x

So we can observe a pattern, the total payment you receive will be 5 plus the miles you run multiplied by 2.  Thus the expression for the total amount you will collect from your sponsor at the end of the walk a thon is:

f(x) = 2+2*x

where x is the miles you run.

I hope it is understandable.      

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step-by-step explanation: