18bo16475 18bo16475

17-04-2018
Mathematics

contestada

Write the inverse of the rational function f(x)=15x +50 over x+5

Respuesta :

beckiholmes101 beckiholmes101

17-04-2018

f(x) = 15x + 50/x + 5
y = 15x + 50/x + 5
x = 15y + 50/y + 5
x(y + 5) = 15y + 50
xy + 5x = 15y + 50
5x - 50 = 15y - xy
5x - 50 = y(15 - x)
y = 5x - 50/15 - x

SO

The inverse of f(x) = 5x - 50 over 15 - x

Answer Link

Otras preguntas

What statement best describes a country that specializes? It stops all production of goods and services, It produces all of the goods and services it consumes.

what are some mental health risks associated with a sedentary lifestyle?

which layer of the atmosphere has no definite outer limit?

Many of the Amendments in the Bill of Rights focus on: A. Legal protections B. Federal supremacy C. Safeguards against democracy D. State's rights

hi please help me with number one:)

50 POINTS PLS HELP | The line segment graphed on the coordinate plane represents a roof with several triangular supports. Each support is triangular, with a hor

I NEED HELP WITH THIS QUIZ PLEASEA country that can choose and control its own government has: unitypopulation sovereigntyterritoryA queen would have more power

Atoms form ions by gaining or losing valence electrons to reach a more stable electron configuration with a full valence shell. The electron configuration of th

About how many 8 3/4 - foot pieces g fencing can Justin get from a 100 foot roll

HELP ME PLEASEEE UGHHHH