(a) find the range of possible values of k such that f(x) <_ g(x) for all real values of x
( 我吾識打<_ 姐係代表細過或=)
(b) if the value of k found in (a) is an integer , find the possible values of k
更新1:
點樣知道 三角形<_0 同埋0<5????????
更新2:
0<5????????
更新3:
0 < k <5?