Respuesta :
The relationship between the number of the times eating out in the total budget represent a linear function.
What is a linear function?
"A linear functions are those whose graph is a straight line."
Given, I already spent $160 on groceries for the week.
Each time I eat out you will spend another $40.
Let, I eat 'x' times during vacation.
Therefore, the required function will be:
f(x) = 160 + 40x
Hence, the function is a linear function.
Learn more about a linear function here: https://brainly.com/question/21107621
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