What is the domain and range of #y=4^x#?

Answer 1

Domain: All Real values
Range: All Real values greater than zero.

#4^x# is defined for all Real values of #x# #color(white)("XXX")#Domain(#x#) #=RR#
#y=4^x# approaches #0# as #xrarr-oo# #color(white)("XXX")#and approaches #+oo# as #xrarr+oo# It is continuous in this range (takes on all possible values). Therefore Range(#y#) #=(0,+oo) in RR#
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Answer 2

Domain: All real numbers Range: ( y > 0 )

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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.

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.

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.

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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