Respuesta :

2(-4) + 2 
-8 + 2 = -6
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Answer:
⇒ (-4,-6)

Explanation:
⇒When x=[Insert number] you substitute that value into x itself to evaluate the function. Remember that f(x) is another way to say y. 

f(x)=2(-4)+2
f(x)=-8+2
f(x)=-6