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The function f(x) = x - 2 can be used to determine how far a number x is away

from the number 2 on the number line. Find and interpret the given function values
and determine an appropriate domain for the function.
number line showed for reference
5-4
-3
-2
-10
1
2
3
4
5
units away
f(-1) = meaning the number is a distance of
from 2 on the number line. This interpretation
context of the problem.
in the
is a distance of
units away from
f(0) = meaning the number
2 on the number line. This interpretation
the problem.
in the context of
units away
f(4.5) = meaning the number is a distance of
from 2 on the number line. This interpretation
context of the problem.
in the
Based on the observations above, it is clear that an appropriate domain for the
function is

The function f(x) = x - 2 can be used to determine how far a number x is away from-example-1
User Yukondude
by
8.6k points

1 Answer

5 votes

Answer:

Explanation:

f(x) = x - 2

f(-1) = x - 2 3 -1 3

f(0) = x - 2 2 0 2

f(4.5) = x - 2 2.5 4.5 2.5

Domain is x ≥ 0

User Vineet Bhatia
by
8.4k points

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