Pregunta
Consider the three functions below.
Which statement is true?
The range of
is
.
The domain of
is
.
The ranges of
and
are different from the range of
.
The domains of
and
are different from the domain of
.
Which statement is true?
The range of
The domain of
The ranges of
The domains of
Ask by Weaver Zimmerman. in the United States
Dec 06,2024
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
The true statement is: The ranges of
and
are different from the range of
.
Solución
To analyze the functions
,
, and
, we will look at their forms and determine their ranges and domains.
-
Function
: - This function is an exponential function multiplied by a negative constant. As
increases, increases, making decrease towards negative infinity. As approaches negative infinity, approaches 0 from the negative side. - Range of
:
- This function is an exponential function multiplied by a negative constant. As
-
Function
: - This function can be rewritten as
. As increases, decreases towards 0, and as approaches negative infinity, approaches positive infinity. - Range of
:
- This function can be rewritten as
-
Function
: - This function can be rewritten as
. As increases, increases, making decrease towards negative infinity. As approaches negative infinity, approaches 0 from the negative side. - Range of
:
- This function can be rewritten as
Now, let’s evaluate the statements:
-
The range of
is : False. The range of is . -
The domain of
is : False. The domain of is all real numbers . -
The ranges of
and are different from the range of : True. The ranges of and are , while the range of is . -
The domains of
and are different from the domain of : False. All three functions have the same domain, which is all real numbers .
Thus, the true statement is:
The ranges of
and
are different from the range of
.
Respondido por UpStudy AI y revisado por un tutor profesional
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Beyond the Answer
Let’s dive into some fun facts about functions and their properties!
First up, understanding function ranges can be a bit like unlocking secret levels in a video game. For
, the negative coefficient means it will only take negative values, so its range is
. Meanwhile,
has a similar structure but with a positive coefficient that flips its values, leading to
. Meanwhile,
similarly ends up being positive due to its exponential format. So, check your ranges carefully!
Now, let’s look at domains. All three functions are defined for all real numbers and share the same domain, which means their gameplay is on a flat field. They each can input any value of
, and you won’t find any gaps—no values are left out! So keep your eyes peeled for those domain differences, but rest assured, these bad boys stand together in this front!

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