chaminicoit0sabr2ook
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 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

IF a circle has a radious of 5 what is the area
two sections of crust are being pushed together. both edges of the plates form mountain ranges over a long period of time would you say that this is constructiv
Which was a policy of the Freedman's Bureau? A. turn over all white-owned property to free blacks B. reimburse white slaveholders for lost property C. start sch
Linear Expressions 3. Match the following equation to the correct situation. s - s(25%) = s(75%) The amount that Katie paid for a pair of jeans with 25% ta
how did the attack on pearl harbor cause the united states to abandon its neutral position on the war between the allies and axis powers?
Is there a lake in South Carolina that is not man made? What is it
What must people have if they are to act?
what is -2(x-3) how do i answer this question?
Which choice best describes the Roman Republic A A monarchy run by a king or queen B A dictatorship run by an emperor C An oligarchy run by the richest people D
Which of the following is a statement of legislative opinion used to honor special individuals or events? A. Bill B. veto C. resolution D. appropriation