Certain inequalities define the possible side lengths of triangles. For example, a side cannot be greater than the sum of the other two. ... To find out if a set of three positive points can represent the lengths of the sides of a ... Since x is an integer, x can be equal to numbers 7, 8, 9, 10, or 11 (the numbers that lie between 6 and ...Answer:
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f(x)=4x^2 and g(x)=-8x^2 + 4x - 4
(f+g)(x) = -8x^2 + 4x - 4 + 4x^2 = -4x^2 + 4x - 4 = -4(x^2 -x + 1)
(f+g)(-3) = -4( -3^2 -(-3) + 1) = -4 x 13 = -52
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C. 3x + 2y = 5 and 2y = 6 - 3x & D. 3x = 2 − 4y and 4y = 7 − 3x , have no solution! (: