Only one answer one choice

What’s the range cuz i can’t find it?

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.

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?