alinakayy alinakayy

25-01-2017
Mathematics

contestada

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

Respuesta :

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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