Respuesta :

jcherry99

Answer:

B

Step-by-step explanation:

Solution

If you call f(x) = y1

and call g(x) = y2

Then what you are asked to find is y1 - y2

So y1 - y2 = 3x - 1 - (x + 2)                        Remove the brackets.

y1 - y2 = 3x - 1 - x -  2                               Collect like terms

y1 - y2 = 2x - 3

Answer

(f - g)x = 2x - 3 or B

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