13 which graph is even function a b d) all of the above 14) which graph is odd function C15) which function b not even and not odd X 2 @ y = X' + X Q X + X+1=y@yz 1+ 1X1 ( d) None Given the function Rex) = X22x, find the rate of change In the interval [1, 21 - 4 ( b ) 4 6 @ None