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The graph below describes the labor cost for a mechanic. Which of the following describes the domain of the function?


All real numbers

All real numbers greater than or equal to 0

All whole numbers greater than 1

All whole numbers greater than 75

The graph below describes the labor cost for a mechanic Which of the following describes the domain of the function All real numbers All real numbers greater th class=
The graph below describes the labor cost for a mechanic Which of the following describes the domain of the function All real numbers All real numbers greater th class=

Respuesta :

Answer:

All real numbers

Step-by-step explanation:

f(x)=mx+b

m=(y2-y1)/(x2-x1)

choose 2 points that lies on the line.

A(1;120) B(2;160)

Then find the slope

(160-120)/(2-1) = 40

f(x)=40x+60

The domain of a function is all possible values of x.

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