Answered

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What is the domain of the cubic function f(x)= 9x³ + 2x-12 ?

What Is The Domain Of The Cubic Function Fx 9x 2x12 class=

Sagot :

GIVEN:

We are given the function below;

[tex]f(x)=9x^3+2x-12[/tex]

Required;

To find the domain of the cubic function.

Step-by-step solution/explanation;

The domain of a function is the set of all input values (that is, x values) for which the function is defined.

For the function given, there is no constraint, which means the function is always true for any value of x.

Therefore,

ANSWER:

[tex]Domain=(-\infty,+\infty)[/tex]

The domain is the set of all real numbers.

Option B

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