Answer:
168 cm is the new perimeter
Answer: The first one
true
Step-by-step explanation:
what do you need help with
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-7x -3
(f -g)(x) = f(x) -g(x) = (-3x -5) -(4x -2)
(f -g)(x) = -3x -5 -4x +2 = (-3-4)x +(-5+2)
(f -g)(x) = -7x -3
