Can someone divide these polynomials? x+1 / x^2-3x-4

1 answer:

6 0

Your best bet would be to factor the denominator:

x+1 1
---------------- = ------------ This is valid for all x EXCEPT x=4 (which would
(x+1)(x-4) x-4 cause division by zero).

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I need to know what 11, 14, and 15 are I don't remember how to do it

almond37 [142]

When you reflect a function in the x-axis, the first coordinate of a point stays the same, and the second coordinate changes sign (what was positive is now negative and vice versa). See the attached picture.

Question 11: f(x) = -5x + 2. The function changes to its opposite, so g(x) = -(-5x + 2) = 5x - 2.

When you reflect a function in the y-axis, the first coordinate of a point changes to its opposite, but the second coordinate stays the same. Replace x with -x .

Question 14: f(x) = |2x - 1| + 3. Replacing x with -x produces g(x) = |2(-x) - 1| + 3 which simplifies to g(x) = |-2x -1| + 3.

Question 15 works the same way as #14.