What are the Domain and Range of the function f(x)=-2log(x)-4?

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What are the Domain and Range of the function f(x)=-2log(x)-4?

What are the Domain and Range of the function f(x)=-2log(x)-4?
What are the Domain and Range of the function f(x)=-2log(x)-4?

What are the Domain and Range of the function f(x)=-2log(x)-4?
x∈(0,+∞)
D=(-∞,+∞)

楼上请交代清楚啊。 定义域(0,+∞) 值域(-∞,+∞)

domain is from 0 to infinitive+, the range you can get solo