Question

y=

3-2x

log3(x+5)

的定义域为______．

Answer 1

3-2x≥ 0 x+5≠1 x+5＞0

解得：-5＜x＜-4或-4＜x≤log₂³，
故答案为（-5，-4）∪（-4，log₂³]