teressaalford teressaalford

14-04-2014
Mathematics

contestada

How do I justify if these functions are inverses of each other ... F(x)=x^3 +4 & g(x)=3(radical sign) -4

Respuesta :

PrincessLexxi PrincessLexxi

14-04-2014

You plug them into each other for x like so:
(3(radical sign)-4)^3+4
-4+4
You're left with x
Then do the same for the other one
3(radical sign)(x^3+4)-4
X+4-4
Left with x again there fore it is an inverse

Answer Link

Otras preguntas

A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return trip with a tail wind took 1.5 h

A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?

36 is _______% less than 60?

two methods of active transport

Why did Henry Clay group his resolutions in pairs in the Compromise of 1850?

36 is _______% less than 60?

what type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)

Why did Henry Clay group his resolutions in pairs in the Compromise of 1850?

A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return trip with a tail wind took 1.5 h

Why did Henry Clay group his resolutions in pairs in the Compromise of 1850?