tgallen tgallen

15-03-2019
Mathematics

contestada

For what values of x is the following expression a real number?
[tex]\sqrt{x} -4[/tex]

Respuesta :

Аноним Аноним

15-03-2019

The square root is defined only for non-negative numbers. In other words, you can compute [tex] \sqrt{x} [/tex] if and only if [tex] x \geq 0 [/tex]

If [tex] x \geq 0 [/tex], the square root is a real number, and so is [tex] \sqrt{x}-4 [/tex]

Answer Link

Otras preguntas

Which of the following is a dependent clause? Select one: a. Sara left the concert early b. to wait a long time c. after the show let out d. eating a cupcake

Brandon was changing the oil in his motorcycle. He had a jug that contrained 2.5 liters of motor oil. He poured 755 millititers into one motor and 255 millitite

Here is another problem that im confused on I don't understand how to get the numbers for the variable I get that they have to add up together to get 1,025$ but

Under the Privacy Act of 1974: a. an employee can seek both civil and criminal remedies for violations of the act by private sector employers only. b. an emplo

Approximately what percentage of our total energy output is attributable to the thermic effect of food? A. up to 10 percent B. up to 20 percent C. up to 40 p

A __________ may be associated with a specific behavior such as development of vision or with the development of structures of the body, such as brain configura

Which of the following statements describes the relationship between employee training and employee development? A. They are just two names for the same thing.

Wyatt is paying back a loan with a nominal interest rate of 13.62%. If the interest is compounded quarterly, how much greater is Wyatt’s effective interest rate

Question 10 (1 point) Solve for x. 12+x6=43

Does the scenario on the right favor a nurture-based, nature-based, or neutral understanding of human development?