Find each of the following for f(x) = 3x² - 7x+6. (A) f(x + h)
(B) f(x +h)-f(x)

f(x+h)-f(x)/h
(C)

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.