countrygirl1431
  • countrygirl1431
PLZ HELP!!!! Given that ƒ(x) = x² + 5x, evaluate ƒ(-2). -6 -14 7
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Okay what grade?
anonymous
  • anonymous
just tagg me or message me when you say the grade :)
campbell_st
  • campbell_st
f(-2) is asking you to subsitute x = -2 and get a number value so its \[f(-2) = (-2)^2 + 5 \times (-2)\]

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countrygirl1431
  • countrygirl1431
11th @west_coast
countrygirl1431
  • countrygirl1431
only if u ask them
anonymous
  • anonymous
Okay f=x
anonymous
  • anonymous
no i never asked them they just gave me it
countrygirl1431
  • countrygirl1431
oh well then
anonymous
  • anonymous
so x can be anything but its to the second power or whatever
anonymous
  • anonymous
so if x=2 its would be 2*2 you get it?
anonymous
  • anonymous
Okay plug in all those numbers at the bottom
anonymous
  • anonymous
So im guessing they have to equal the same as 5x?
countrygirl1431
  • countrygirl1431
i guess
anonymous
  • anonymous
Okay let me do this
countrygirl1431
  • countrygirl1431
k
anonymous
  • anonymous
7 doesn't work
anonymous
  • anonymous
and -14 dosent work
countrygirl1431
  • countrygirl1431
so -6
anonymous
  • anonymous
let me try -6
anonymous
  • anonymous
uhg no
anonymous
  • anonymous
i think im doing this wrong because 6*6 is 36 and 5*6 is 30 so
anonymous
  • anonymous
WAIT I FORGOT TO ADD OMG WAIT
anonymous
  • anonymous
tbh i think its -6
anonymous
  • anonymous
i gtg but if you need more help just message me ot tagg me
countrygirl1431
  • countrygirl1431
k thanks

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