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F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.

Why is x= 4 a solution to the proportion 14/x 56/1 6