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If f(x)=square root of 1/2x -10+3 which inequality can be used to find the domain of f(x)?
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If f(x)=square root of 1/2x -10+3 which inequality can be used to find the domain of f(x)?

User CSharper
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2 Answers

3 votes
hello :
f(x) = √(0.5x-10) +3

inequality can be used to find the domain of f(x) is : 0.5x-10 ≥ 0
0.5x ≥10
x ≥10/0.5
x ≥ 20

the domain of f(x) is : D = [20 ; + ∞[
User Crook
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6.2k points
3 votes

1/2x-10>0 is the correct answer

User Morg
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5.8k points
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