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# I need help in math please anyone?

Topic: How to write all real numbers except 0
July 24, 2019 / By Berenice
Question: find the midpoint of the segment with the given endpoints (-4.7,-6.1) and (5.1,-2.3) Also how do you find the domian of the function x g(x)= ---------------- x^2+12x+27 thank you so much for you help to all who are helpful

1. Find the midpoint of the segment with the given endpoints (-4.7,-6.1) and (5.1,-2.3) ([-4.7+5.1]/2, [-6.1-2.3]/2) = (0.4/2, -8.4/2) = (0.2, -4.2) 2. I see you're new around here and you haven't learned what Y!A does to leading spaces and to fractions. I read the function as g(x) = x / (x^2+12x+27) The domain is the set of values of x for which the function is defined, and it's defined for all real x EXCEPT values of x for which the denominator equals zero. So we can find which real numbers are excluded from the domain by solving x^2+12x+27 = 0 (x+3)(x+9) = 0 The solutions are -3 and -9. We can write the domain as a set of intervals: Domain of g(x) = {(-∞, -9), (-9, -3), (-3, ∞)} We could also simply describe it as the set of all real numbers except -3 and -9.
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