25-10-2016
Mathematics

contestada

The range of the function f(x) = x + 5 is {7, 9}. What is the function’s domain?

Respuesta :

linktra linktra

25-10-2016

The functions domain is (2,4).

Answer Link

CaptainBeyond CaptainBeyond

25-10-2016

Just substitute 7 for y, and solve for x. Then substitute 9 for y, and solve for x again.
7 = x + 5, x = 2

9 = x + 5, x = 4

So the range is 2 and 4.

Answer Link

Otras preguntas

An elevator descends into a mine shaft at the rate of 6 m/min. If the descend starts from 20 meter above the ground level, how long will it take to reach - 340m

What is the range of the function f(x) = -|x - 4| + 5?

Why is a piece of music considered a type of persuasive argument? A. Because music can convey moods that indicate specific points of view B. Because an artist h

simplify show your work

Which part of the historian's argument is his claim? A historian is making a historical argument about the French Revolution. He notes that, following the Revol

What is the sum of the measures of ∠1 and ∠2? What is the sum of the measures of ∠1 and ∠2?

A ________ is where one network ends and another begins.

Which impressionist artist was responsible for the posters for "moulin rouge"? quiuzlet?

The molar heat of fusion of iron(II) sulfide (FeS) is 20.9 kJ/mol. What mass of melted FeS at its melting point must solidify to release 150.0 kJ of energy? Rou

A 55.0-kg skydiver drew falls for a period of time before opening his parachute. what is his kinetic energy when he reaches a velocity of 16.0 meters/second?