One easy way to determine if a coordinate is a function or not is to look at the number in the x's place only. There should not be the same number on the x's side for a different pair.

Every pair has a different number on the x's side, which is why A is the only possible answer.

3 0

3 years ago

Which equation represents the statement thirteen less then a number is forty two

Ludmilka [50]

X-13=42
x is the "variable", you're taking 13 away from that, and the answer is also given, 42.

3 0

3 years ago

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What is the solution to x-3>4

weeeeeb [17]

$\bold{Answer}$

$\boxed{\bold{X \ > \ 7}}$

$\bold{Explanation}$

$\bold{Simplify: \ x-3>4}$

$\bold{--------------}$

$\bold{Add \ 3 \ To \ Both \ Sides}$

$\bold{x-3+3>4+3}$

$\bold{Simplify}$

$\bold{X \ > \ 7}$

$\boxed{\bold{Eclipsed}}$

7 0

3 years ago

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