If €fx()=lnx2+9(),a) Find the interval of increase and decrease. b) Find the local maximum and minimum values. c) Find the interval of concavity and the inflection points.

If you could answer these your a life saver

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 of the following graphs could represent a cubic function?