anonymous
  • anonymous
If f(x)=-3x-1, find f(4)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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myininaya
  • myininaya
just replace all the x's in f(x)=-3x-1 with 4
anonymous
  • anonymous
Thanks
anonymous
  • anonymous
If f(x)=-x2+x divide by x, find f(2)

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myininaya
  • myininaya
@spandana please don't just give the answer Please try to get the asker involved next time. Thanks.
anonymous
  • anonymous
Do you know the answer?
myininaya
  • myininaya
you should try this one @BethMoses2008 f(2) means to replace all the x's with 2's in f(x)=-x^2+x
anonymous
  • anonymous
okay thanks
myininaya
  • myininaya
what did you get when you replaced all the x's with 2's?
anonymous
  • anonymous
@BethMoses2008 Since you know how to do it, can you find the answer?
anonymous
  • anonymous
Is 4
anonymous
  • anonymous
4^3+1=65
myininaya
  • myininaya
ok first step i asked you to do what to replace all the x's with 2's so you have -2^2+2 what is 2^2?
anonymous
  • anonymous
If f(1) f(x)=4x^3+x, find f(1)
anonymous
  • anonymous
I think it's 65
myininaya
  • myininaya
I'm trying to tell you answered incorrectly to the previous one the answer is not 4.
myininaya
  • myininaya
-2^2+2 is not 4
anonymous
  • anonymous
It's 3
anonymous
  • anonymous
Right
anonymous
  • anonymous
Typ
anonymous
  • anonymous
I forgot to add 2
anonymous
  • anonymous
Nevermind
anonymous
  • anonymous
If f(x)=-2, find f(5)
myininaya
  • myininaya
well 3 is not the right answer to evaluating -2^2+2 let's try to take it slow you are to apply order of operations there are no grouping symbols so let's do the exponents the exponent is only on the 2 if were to be on the -2 it would look like (-2)^2 but we have -2^2 so first exponents what is 2^2?
anonymous
  • anonymous
If f(x)=-2, find f(5)
myininaya
  • myininaya
if you aren't willing to answer my questions, then i cannot help you. sorry.

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