Anikate
  • Anikate
State the range of this function: y=2x-7/2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
the range is all reals
Anikate
  • Anikate
huh?
anonymous
  • anonymous
(-infinity, 0) (0, infinity)

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More answers

Anikate
  • Anikate
what?
Anikate
  • Anikate
i dont get it
Anikate
  • Anikate
keep goig i'l try to figure it out
anonymous
  • anonymous
There are no restrictions to the range
Anikate
  • Anikate
um... need to find range is all i no
anonymous
  • anonymous
Okay, well you could always substitute 0 for the x value and work out the whole question from there. However, the answer I gave you earlier should be correct
Anikate
  • Anikate
what was the answer u gave earlier?
Anikate
  • Anikate
-3.5?
anonymous
  • anonymous
All real numbers. The domain would be all real numbers, and so should the range
Anikate
  • Anikate
what r real numbers?
anonymous
  • anonymous
Or, you could set y= 0 and work out the whole equation
Anikate
  • Anikate
then what would be my answer?
Anikate
  • Anikate
-3.5?
anonymous
  • anonymous
For instance, (0= 2x - 7/ 2 ) x 2 0= 4x-14 14=4x 14/4=x
anonymous
  • anonymous
That's solving for x
Anikate
  • Anikate
range is always y right?
anonymous
  • anonymous
Substitution with x and zero would look like this: y= 2(0) -7/2 y= -5/2
anonymous
  • anonymous
that is the range when solving the equation
Anikate
  • Anikate
actually it would be -3.5
anonymous
  • anonymous
Well, if you were trying to be precise, then yes. However, most math classes perfer that you leave it in the fractional form.
Anikate
  • Anikate
idk the range when soling equatyion. and i know
anonymous
  • anonymous
also it should be -2.5, not -3.5
Anikate
  • Anikate
how ?
anonymous
  • anonymous
2-7 = -5 -5 divided by 2 = -2.5
Anikate
  • Anikate
y=2(0)-7/2 y=0-7/2 y=-3.5
anonymous
  • anonymous
oh, I just got served! You are absolutely right my dear. Thanks for catching my mistake ;}
Anikate
  • Anikate
oh it's k np
anonymous
  • anonymous
So, do you have your answer?
Anikate
  • Anikate
-3.5?
anonymous
  • anonymous
yes
Anikate
  • Anikate
yup thx :D
anonymous
  • anonymous
No worries, glad I could help :)

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