Question: Use a number line with +/- to help solve the inequality and answer in interval notation. 9) X 2 - 2x - 8 20 20

Use a number line with +/- to help solve the inequality and answer in interval notation. 9) X 2 - 2x - 8 20 20 - 1 Solve In ac + In ( DC - 3) = In ( 5x- 7) 12' Solve : 3 12 x = 42-' ( Give both the exact answer and use a calculator to approximate it to 4 decimal place

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