Question

泡泡

請問解法

若f(x)=ax+b,且1 ≤(1) ≤ 3,1 ≤(2) ≤2,則(3)最大為多少?
a = 0, b = 3₁ 2₁1 or a = -1
(A) 3
(B) 5
715a+bs3
2.59+2=1
a = 0, "b = 2₁1 or a he
oz az ²1-X (²
(D) 8
(C) 7
y=3a+b
F√ X FA