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chubhunter [2.5K]
2 years ago
10

What’s a function in math

Mathematics
2 answers:
Norma-Jean [14]2 years ago
6 0

Answer:

A relation from a set of inputs to a set of possible outputs where each input is related to exactly one output

Step-by-step explanation:

Aleksandr-060686 [28]2 years ago
3 0

Answer:

See below.

Step-by-step explanation:

A function is a relation in which each input has only one output.

For example f(x) =  3x + 1  is a function. Whatever value of x you use the value of f(x) is only one value.

But the relation  y = √x is not a function because for example if x =  4 then x = 2 or -2   - two outputs for the same input.

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1. A catering company charges $95 plus $12.75 per plate of food. If the cost to cater a party was $656, how many people were at
son4ous [18]

Using arithmetic and the information provided, there were 6 persons at the party.

<h3>Number of people at the party</h3>

The question is asking us to use the cost of the plates served to each person to calculate the number of people in the party from the information available in the question.

  • Normal charge of a plate of food =  $95
  • Additional charge on each plate of food = $12.75
  • Total cost of the party = $656
  • Total cost of food for each person =   $95 + $12.75 = $107.75

Number of people at the party can be obtained from; Total cost of food at the party/ Total cost of each plate of food

=  $656/ $107.75 = 6 persons

Learn more about arithmetic: brainly.com/question/2171130

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