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alinakayy alinakayy
  • 25-01-2017
  • Mathematics
Answered

Evaluate the function f(x)=2x-2 when x equals negative 1

A-4
B-3
C0
D4

Verified Answer :

tianna2020
tianna2020 tianna2020
  • 25-01-2017

f(x)= -4. 
Just plug in -1 for your x in 2x-2 and solve like a normal equation. Think of f(x) a your y because that's basically what it is. If it helps, the equation is basically:
y=2x-2 so you would just solve for y by plugging in -1 into x.

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