michaeltorres9856 michaeltorres9856

21-07-2022
Mathematics

contestada

19. For which of the following values of x is the function
f(x)=√4-x2 NOT defined as a real number?
[square root]
A. -2
B. 0
C. 2
D. 4

Respuesta :

profarouk profarouk

21-07-2022

Answer:

D. 4

Step-by-step explanation:

[tex]\sqrt{2-\left( 4\right)^{2} } =\sqrt{2-16} =\sqrt{-12}[/tex]

since ,√(-12) is not a real number

Then

The function f is not defined for x = 4

Answer Link

Otras preguntas

How many "lifers" are in California prisons?

Describe the relationship between the graph of f(x) = x^2 and the graph of g(x) = –3x^2.

The perimeter of the triangle shown is 32 ft. What is the value of x?

Explain What Thoreau Finds Wrong With Majority Rule?

The greater of two numbers is 1 more than twice the smaller. Three times the greater exceeds 5 times the smaller by 10. Find the numbers

Bone marrow transplant are common for certain serious illnesses. Which of these functions is restored by doing a bone marrow transplant ? 1. purification of blo

Can you give an example of a work of Pollock and shortly say why it's considered to be good or why you (don't like it)?

What Did Mahatma Gandhi And Genghis Khan Have In Command?

Let f(x) =4x-1 and g(x) = 2x^2 + 3 (fg)(x) , f/g(x), g/f(x)

What does the Mutual Reward Theory state? A. Family values are more important then ethnic differences. B. Relationships are strengthened when the persons involv