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

Physics A-Level, both of these questions

When solving the equation 10x + 2 = 22, what is the first thing you're going to do?

The answer is 4 but idk how to get it so can somebody please explain how to get it

A nurse is caring for a client with the diagnosis of schizophrenia. during assessment the nurse identifies both positive (type i) and negative (type ii) signs a

F(x) = 2x2 – 4x – 3 0 = 2x2 – 4x – 3 3 = 2(x2 – 2x) 3 + 1 = 2(x2 – 2x + 1) 4 = 2(x – 1)2 2 = (x – 1)2 ± = x – 1 1 ± = x Mica is solving for the zeros of a quad

Where did the two largest groups of immigrants to the united states come from between 1840 and 1860?

How did the change in the method of selecting electors expand democracy

Identify the infinitive phrase that is the subject of the sentence below. To finish his exam without breaking another pencil is Mike's only goal today. A) Mik

How many square feet of outdoor carpet will we need for this hole? Iready quiz pic

Which pairings match protozoa with the structures they use to move? amoeba: flagellum; euglena: pseudopod; paramecium: cilia amoeba: pseudopod; euglena: cilia;