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  • 29-09-2020
  • Mathematics
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Given f (x)= -x -2, find f (3)

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gebensen gebensen
  • 29-09-2020

Answer:

x= -5

Step-by-step explanation:

Replace f(x) with 3, because f(x) is a fancy way of saying y. The equation is 3=-x-2. Add 2 to both sides to isolate the variable. You get 5=-x. Divide -1 from both sides to further isolate the variable. You get -5=x.

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