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2 years ago

Find the domain of f(x) = 2x for the range {-8, 4, 12, 20).

Mathematics

1 answer:

olga2289 [7]2 years ago

6 0

Step-by-step explanation:

So technically, your replacing the x, with -8, 4, 12, 20. So bassically it would be 2*-8, 2*4, 2*12, 2*20. And those answers you get will get you, your range, so 2*-8 would be -16, 2*4= 8, 2*12=24, 2*20=40

So your ranges would be, -16, 8, 24 and 40.

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2 years ago

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2 years ago

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Answer:

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2 years ago

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pav-90 [236]

Answer:

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Step-by-step explanation:

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2 years ago

1-m<br> ___ =2/3 HELP PLEASE<br> 1+m

marusya05 [52]

$Domain:\\\\1+m\neq0\to m\neq-1\\\\\dfrac{1-m}{1+m}=\dfrac{2}{3}\qquad\text{cross multiply}\\\\3(1-m)=2(1+m)\qquad\text{use distributive property}\\\\(3)(1)+(3)(-m)=(2)(1)+(2)(m)\\\\3-3m=2+2m\qquad\text{subtract 3 from both sides}\\\\-3m=-1+2m\qquad\text{subtract 2m from both sides}\\\\-5m=-1\qquad\text{divide both sides by (-5)}\\\\m=\dfrac{1}{5}\neq-1\\\\Answer:\ \boxed{m=\dfrac{1}{5}}$

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3 years ago