is this true? functions help?

👨🏻‍🏫 學術台數學

[匿名]

2008-12-24 3:55 pm

The domain of the function given below is the set of all real numbers greater than 1/2 .

f(x)= (1/2) ^x

回答 (7)

[匿名]

2008-12-24 3:58 pm

✔ 最佳答案

False
all real numbers are possible domain for this function.

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[匿名]

2008-12-24 3:58 pm

It's just any number. All Real numbers. There's no limit

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[匿名]

2008-12-24 7:01 pm

Domain is IR (all real numbers)

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cidyah

2008-12-24 4:10 pm

False
Domain is all real numbers.

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[匿名]

2008-12-24 4:05 pm

No......'x' can be any real number.

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[匿名]

2008-12-24 4:02 pm

x approaches infinity F(x) = 0 so like all the number creater than .5 f(x)<1 mainly. but then again I don't know.

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An ESL Learner

2008-12-24 4:01 pm

f(x) = (1/2)^x

Domain
f(x) = (1/2)^x
(x â â)

â´ the answer is false.

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