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Llana [10]
3 years ago
6

I don't get how to do this. Can any one help?f(2) if f(x)=2x-5 ​

Mathematics
2 answers:
a_sh-v [17]3 years ago
5 0

Answer:

-1

Step-by-step explanation:

Plug 2 into x.

Plugging x=2 in 2x-5, 2(2)-5 => 4-5=-1

Hope I helped!

Soloha48 [4]3 years ago
5 0

Answer:

It’s 4 darlin

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Subtr. 3 from both sides.  Result:  |2x - 4| = 12

Divide all terms by 2, to reduce:    |x - 2| = 6

Case 1:  x-2 is already +, so we don't need |    |:

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Case 2:  x-2 is negative, so |2x-4| = -(2x-4) = 6

             Then   -2x + 8 = 6.  Subtr. 8 from both sides:   -2x = -2

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Be sure to check these results by subst. them into the original equation.

Please post your other questions separately.  Thanks and good luck!

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Hope this helps
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