Which values are NOT in the domain of the function? f(x)
x +4
x2 – 25
O
A) x = -4,4
B) 2 = -5,4
C) x = -4,5
OD) X = -5,5

Given:

The function is:

To find:

The values that are NOT in the domain of the given function.

Solution:

We have,

This function is a rational function and it is defined for all real values of x except the values for which the denominator is equal to 0.

Equate the denominator and 0.

Taking square root on both sides, we get

So, the values are not in the domain of the given function.

Therefore, the correct option is D.

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