To mail a letter to Vienna, Austria the post office charges a flat rate of $9.75 and an additional $0.50 for every ounce the letter weighs. The cost of mailing a letter is determined by the equation y=0.50x+9.75, where y is the cost of the postage and x is the weight of the letter in ounces.

Missing details

Which type of function model would be appropriate for this situation?

Linear function

Step-by-step explanation:

Given

Required

The function model

A function of the form:

is referred to as a linear function where

By comparison:

So, it is a linear function (linear model)

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