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OLga [1]
3 years ago
11

Chose all the values of x that are not in the domain of this rational function. Picture attached, 15 points and I'll give Brainl

iest! Due in two hours. A. -2 B. 1 C. 2 D. o

Mathematics
2 answers:
pogonyaev3 years ago
6 0

Answer:

All of them.

Step-by-step explanation:

For rational functions, the domain is all real numbers <em>except</em> for the zeros of the denominator.

Therefore, to find the x-values that are not in the domain, we need to solve for the zeros of the denominator. Therefore, set the denominator to zero:

x(x-1)(x^2-4)=0

Zero Product Property:

x\neq 0\text{ or }x-1\neq 0\text{ or }x^2-4\neq 0

Solve for the x in each of the three equations. The first one is already solved. Thus:

x-1\neq 0 \text{ or }x^2-4\neq 0\\x\neq 1\text{ or }x^2\neq 4\\x\neq 1 \text{ or }x\neq\pm 2

Thus, the values that <em>cannot</em> be in the domain of the rational function is:

x=-2,0,1,2

Click all the options.

zzz [600]3 years ago
3 0

Answer:

\Large \boxed{\mathrm{All \ options}}

Step-by-step explanation:

The domain of a function are all possible values for x.

To find the domain of a rational function, we set the denominator equal to 0, and solve for x. Those values of x are <em>not</em> included in the domain, since the denominator of 0 would make the rational function undefined.

x(x-1)(x^2-4)=0

Setting the factors equal to 0.

x=0 \\ \\ \\\\ x-1=0 \\ \\ x=1 \\ \\ \\ \\ x^2 -4=0 \\ \\ x^2 =4 \\ \\ x=\pm 2

The values of x that are <em>not</em> in the domain of the rational function are x=-2, x=1, x=2, and x=0.

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