數學與統計 大學 6年以上以前

求解第6題 我不太懂它要怎麼寫…… 跟題目的意思

(潑com two continuous functions 了and g, eachh 0t Which (柬 has exactly five_critical poitnts, the points 4-五in Filg ure 4.13, and that satisfy the following conditions: 玫: 全 而(aa 了(z) 一 So as 一三So- and / 了(z) 一 oo as一oo ? 0 38 Go and 1 W 16 1