Question

The range of the function f(x) = 3x - 2, is
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Answer 1

Answer:

Real numbers R is the answer

Answer 2

Answer:

Range of a function

Step-by-step explanation:

The domain of a function is known as the set of values which allows to plug of the function.

The set will have a value of x in function which is defined  y f(x).

• Let us consider that to be followed to find the range of a function:

1) First, write down the formula y= f(x) and solve the given equation of x, of the form x =g(y).

2) To find the domain of g(y) we have to know the range of f(x).

• Now, let us assume the common functions and ranges. They are:

1) For non-negative real numbers:

   F(x) =IxI

The range of the f(x) will be [0, infinite]

2) For real numbers:

f(x) = In(x)

The range of f(x) will be [infinite, infinite]

Given that:

function f(x) = 3x – 2

To find:

Range of the function =?

Solution:

Now, we can consider this as a linear function which is having any constraints or restriction.

The domain of this linear function is considered as a set of all real numbers.

They do substitute any given real number and by calculating the function value.

Domain =  (- ∞, ∞)

Now, while representing in the graph, of the linear function it will remain as straight, a good non vertical lines without points that are breaking.

Thus, we can conclude that the real number as well as the value of function will be well defined.

Range =  (- ∞, ∞)

Therefore, the Range of a function is (- ∞, ∞).

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