anonymous
  • anonymous
Evaluate the function for the given input value. For f(x) = -2x, when x = 4 how would i solve this?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
f(x)=y x= 4 so substitute 4 for x
anonymous
  • anonymous
put that feller in that there function and you got yourself a nice little output. f[x]=-2x so at x=4 f[4]=-2(4)=??
anonymous
  • anonymous
i dont understan :(

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anonymous
  • anonymous
just substitute 4 into x... so f(x)= -2(4)= -8
anonymous
  • anonymous
i dont divide?
anonymous
  • anonymous
|dw:1328847717687:dw| there is a visual of what is going on
anonymous
  • anonymous
Why would you divide?
anonymous
  • anonymous
the function says at a "x" you will have a "y" value that is "=" to -2x. So when x is 4 (x=4) then the y value would be -2(4)=-8

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