difference between convex and concave functions

convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions convex functions . <br />.. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br /> <br />concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions concave functions, <br />, <br />, <br />,. <br />. <br />. <br />. <br />. <br />. <br />idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutorsidea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors idea tutors