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hoa [83]
2 years ago
9

Does the expression Y>2x-1 define a function?

Mathematics
1 answer:
emmainna [20.7K]2 years ago
5 0

Step-by-step explanation:

  • This is a polynomial, and every expression like y=p(x) , with p(x) a polynomial, is a function.

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the value of x=4 is the solution to all following equation except witch? 2x+7=15 x+5=3x-3 3(x+1)=x+11 or x+12=5x-2
garri49 [273]
Except x+12=5x-2 
because:
4+12= 5*4-2
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Answer:

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Step-by-step explanation:

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Now we can find x by plugging in y.

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If you want to double check you can plug your values into -4x + 20y = -16.

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Answer:

The answer is the second one

Step-by-step explanation:

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Step-by-step explanation:

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