appser128 appser128

21-08-2017
Mathematics

contestada

What is the inverse function of f(x)=-3x+21

Respuesta :

mreijepatmat mreijepatmat

21-08-2017

f(x) = - 3x + 21.
y = - 3x + 21.

just replace x with y and y with x:

x = - 3y +21; now isolate y :

-3y = x - 21
3y = -x + 21
y = (-x+21)/3

f⁻¹(x) = (-x+21)/3

Answer Link

Otras preguntas

is (-2) with the exponent 9 positive or negative

Can someone please help me??? ASAP

simplify 5.3x-8.14+3.6x+9.8

A car (mass 5 1100 kg) is traveling at 32 m/s when it collides headon with a sport utility vehicle (mass 5 2500 kg) traveling in the opposite direction. In the

Samantha's notebook has 14 pages more than three times as much as Lisa's notebook. If Samantha's notebook has 260 pages , how many pages are there in Lisa's not

How does Glaspell’s purpose differ in the two accounts? In the play, she wants to create doubts about the suspect, while in the article she wants to report only

parallel lines always have the same

WILL MARK BRAINLIST FOR THE CORRECT ANSWER Which of the following compounds has exactly two atoms of oxygen? A. CO2 B. H2O C. Fe2O3 D. NO

True or False. To select 3 items out of 4 distinct objects, use C(4,3).

The weight of a 1200-kg car is supported equally by the four tires, which are inflated to the same gauge pressure. What gauge pressure is required so the area o