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At a convenience store, bottles of water cost $1.20 each. The function f(x)=1.2x gives the cost of buying x bottles Give a reasonable domain and range for the function in this context.

Respuesta :

Step 1

Given;

[tex]f(x)=1.2x[/tex]

Required; To find the domain and the range.

Step 2

Domain

All the values that go into a function.

[tex]x\text{ represents the number of bottles of water}[/tex][tex]The\text{ number can start from 0 and go to }\infty[/tex]

The domain will be;

[tex][0,\infty)[/tex]

The range

The output values are called the range.

The range cannot be negative therefore it is;

[tex][0,\infty)[/tex]

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