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

A 230 kg steel crate is being pushed along a cement floor. The force of friction is 480 N to the left and the applied force is 1860 N to the right. What is the

what culture flourished on the greek mainland

For what value of p is -2(p-4)=4(p+1) A:-1 B:1 C:4/6 D:4

Which algebraic expressions are polynomials? Check all that apply. 2x^3 - 1/x x^3y - 3x^2 + 6x y^2 + 5y - √ 3 2-√ 4x -x√ 6 -1/3^x3 - 1/2^x2+ 1/4

Read the passage.I was most narrowly watched in all my movements. If I remained in a separate room from the family for any considerable length of time, I was .

Kumar gave his informative speech on meteorology. as part of the speech, he displayed an excellent drawing to indicate the temperatures in different layers of t

Read the excerpt from President Woodrow Wilson’s speech, “War Message to Congress”. On the 3d of February last I officially laid before you the extraordinary a

According to Paul, why had the United States failed to be a true democracy?

I need help ASAP !!!!!!!!!!!!!!!!

Help me fast please ?