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/sci/ - Science & Math

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7184125 No.7184125[DELETED]  [Reply] [Original]

Can anyone help me

>> No.7184131

>>7184125
false

>> No.7184133
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7184133

>>7184125
(4/3,-inf)

>> No.7184135
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7184135

>>7184131
Nope. Go back to 7th grade.

>> No.7184136

Please step by step

>> No.7184137

>>7184135
The statement is false. Try x = 2.

>> No.7184138
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7184138

>>7184136
Step 1: Realize that the numerator is always going to be negative.
Step 2: Look for anything that makes the denominator negative and not zero.
Step 3: Profit.

>Do I look like mathematica?

>> No.7184142
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7184142

>>7184137
Uh, did you miss my solution set?
>>7184133


Every number less than 4/3 is a solution.

>> No.7184146

>>7184142
But that's why I said 'false'. The statement is false unless you specify an interval like you did.

>> No.7184148
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7184148

>>7184146
That's like saying x+1=2 is false.

>> No.7184152

>>7184148
I thought it was a statement and not an equation.

>> No.7184156
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7184156

>>7184152
>For all x element R....
Would be false.

That isn't false.

>> No.7184157

>>7184156
Cool

>> No.7184158
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7184158

>>7184125

>> No.7184159

>>7184158
>excel
consider suicide

>> No.7184162

>>7184138
What happens woth - 2?

>> No.7184165
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7184165

>>7184162
Just get rid of that interval.

>> No.7184171

>>7184159
what's wrong with excel?

consider sudoku

>> No.7184175

>>7184171
Everything. I hope you don't use it to crunch numbers.

>> No.7184177

>>7184171
Well, for one, you obviously didn't put in the formula correctly, because the answer is (-inf,4/3)

>> No.7184214

>>7184177
Again, what happens with -2 and -1 for example

>> No.7184222 [DELETED] 

>>7184214
It's (-inf,4)U(-2/3,4/3)

>> No.7184225

>>7184222
It's (-inf,-4)U(-2/3,4/3)

>> No.7184301
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7184301

I tried working it out

>> No.7184321

>>7184301
Looks good to me!

>> No.7184456

>>7184125
You are all alone in this world and no one can help you.

No just kidding. You are never alone in this world and there is absolutely nothing you can do about it.