Answer:
2,3
Step-by-step explanation:
the explanation is in the picture
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its 7.8
The difference of z and y must be 2x.
Answer:f ( x - 1 ) = 3x² - 5x - 7
y = -4x - 12
y + 4 = -4(x + 2)
y = -4x -8 - 4
