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Evaluate the function f(x)=2x-2 when x equals negative 1 A. -4 B. -3 C. 0 D. 4
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1 vote
Evaluate the function f(x)=2x-2 when x equals negative 1

A. -4
B. -3
C. 0
D. 4

User Bunyk
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7.8k points

1 Answer

5 votes
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.
User CudoX
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8.4k points
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