What is the domain of #f(x)=4#?

Answer 1

The domain for this function is all real numbers, #(-oo,oo).# This a function is a constant function. No matter what input value is used the output value will be #4.#

#f(pi)=4#

#f(0)=4#

#f(-7)=4#

#f(e)=4#

#f(0.09)=4#

#f(3/4)=4#

#f(-1/8)=4#

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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