Answer to Question #264447 in Algebra for Elis

Question #264447

Find the domain and range of the following exponential functions:


1. 𝑓(𝑥) = (


1


2


)


𝑥+1


6. 𝑓(𝑥) = 2


𝑥−1 + 1


2. 𝑓(𝑥) = 3


𝑥+2 7. 𝑓(𝑥) = −5


𝑥 − 2


3. 𝑓(𝑥) = −(5)


𝑥 8. 𝑓(𝑥) = (


1


4


)


2𝑥+1


+ 3


4. (𝑥) = 4


−𝑥 9. 𝑓(𝑥) = 5


3𝑥 − 4


5. (𝑥) = (


1


3


)


−𝑥+1


10. 𝑓(𝑥) = − (


2


3


)


𝑥


− 3


1
Expert's answer
2021-11-12T14:48:32-0500

1. f(x)=(12)xf(x)=(\dfrac{1}{2})^x

Domain: (,)(-\infin, \infin)

Range: (0,)(0, \infin)


2. f(x)=3x+2f(x)=3^{x+2}

Domain: (,)(-\infin, \infin)

Range: (0,)(0, \infin)


3. f(x)=(5)xf(x)=-(5)^{x}

Domain: (,)(-\infin, \infin)

Range: (,0)(-\infin, 0)


4. f(x)=4xf(x)=4^{-x}

Domain: (,)(-\infin, \infin)

Range: (0,)(0, \infin)


5. f(x)=(13)x+1f(x)=(\dfrac{1}{3})^{-x+1}

Domain: (,)(-\infin, \infin)

Range: (0,)(0, \infin)


6. f(x)=2x1+1f(x)=2^{x-1}+1

Domain: (,)(-\infin, \infin)

Range: (1,)(1, \infin)


7. f(x)=5x2f(x)=-5^{x}-2

Domain: (,)(-\infin, \infin)

Range: (,2)(-\infin, -2)


8. f(x)=(14)2x+1+3f(x)=(\dfrac{1}{4})^{2x+1}+3

Domain: (,)(-\infin, \infin)

Range: (3,)(3, \infin)


9. f(x)=53x4f(x)=5^{3x}-4

Domain: (,)(-\infin, \infin)

Range: (4,)( -4, \infin)


10. f(x)=(23)x3f(x)=-(\dfrac{2}{3})^{x}-3

Domain: (,)(-\infin, \infin)

Range: (,3)(-\infin, -3)



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