If
f
(
x
)
represents the number of hours required to travel
x
miles, what is the domain of the function,
f
(
x
)
?

Given that f(x) is a function that represents number of hours required to travel, the domain of the function is: distance travelled in miles (x)

Recall:

In a relation that is a function, the domain of the function is the set of input values (x-values).

The range of the function is the set of output values (y-values or f(x)).

Thus, given that f(x) is a function that represents number of hours required to travel, therefore:

x = input values (domain) = distance travelled in miles

f(x) = output values (range) = number of hours.

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