All real numbers. in interval notation, that's (<span><span>−∞</span>, ∞</span><span>). there isn't a value you could insert for "x" that would give you an error.</span>
Step-by-step explanation:
2(3(7)-1)
= 2(21-1)
=2(20)
=40
Ok so then line p is the equation y=x
is that all you needed?
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