chaminicoit0sabr2ook chaminicoit0sabr2ook

13-07-2016
Mathematics

contestada

The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain?

Respuesta :

nobillionaireNobley nobillionaireNobley

15-07-2016

{k^2 + 2k + 1 = 25, k^2 + 2k + 1 = 64}
{k^2 + 2k - 24 = 0, k^2 + 2k - 63 = 0}
{(k - 4)(k + 6) = 0, (k - 7)(k + 9) = 0}
{k = -6, 4, -9, 7)
Therefore, range = {-9, -6, 4, 7)

Answer Link

Otras preguntas

What do you think Johnson’s perspective is on change in the English language? Does he think it is good or bad? Does he think it should be stopped? Cite evidence

plsss help what is 5+5

A map's scale is 1 inch equals 50 miles. If New York City is 4 inches away from Chelsea, MA, about how many miles is it from Chelsea to New York City? A. 50 mil

Which is bigger? 1/4 or 34%

who wants to like be my friend ? like hello ? like yes ? marriage ?

A square rug covers 80 square feet of floor. What is the approximate length of one side of the rug? (Approximate to the nearest hundredth foot.) O 8.91 feet O 8

Which term refers to the structure that forms the surface of a cell, separating its contents from the outside world? Question 6 options: Plasma/cell membrane Mi

An object that is magnetic all of the time is called a.

How did the social reforms of the mid-1800s affect art, music, and literature, and vice versa?

Jenny invests $2,000 at an interest rate of 5%. The amount of money, ma, in Jenny's account after t years can be represented using the equation m,- 2000(1.05)'.