game2k1 game2k1
  • 05-06-2019
  • Mathematics
contestada

if f(x) and f^-1 (x) are inverse fuctions of each other and f(x) = 2x+5 what is f^-1(8)​

Respuesta :

mjmccarth1210 mjmccarth1210
  • 05-06-2019

Answer:

1.5

Step-by-step explanation:

first you find the inverse of the equation

Switch the x and y so

x=2y+5

x-5=2y

(x-5)/2=y

then you plug in 8 for x

f-1(8)= (8-5)/2

f-1(8)= 1.5

Answer Link
joshua062320 joshua062320
  • 03-03-2021

Answer:

Its B. 3/2

Step-by-step explanation:

Just took this lol :)

Answer Link

Otras preguntas

Which equation represents the general form a circle with a center at (–2, –3) and a diameter of 8 units? A.) x^2+y^2+4x+6y-51=0 B.) x^2+y^2-4x-6y-51=0 C.) x^2+y
Can someone help me with question 6 please?
The first government of the United States was the
show or describe two different ways to complete the comparison using < , > ,or =: 0.26 () 0.4
This figure shows circle c with diameter lm and inscribed lmn
Please help me !! Thank you !
help i had problems with this one :(
alguien puede hacer oraciones con las siguientes palabras: -rimbombante -grandilocuencia -prosopopeya
What level does macroeconomic focus on
"a metal sphere of radius 5.00 cm is initially uncharged. how many electrons would have to be placed on the sphere to produce an electric field of magnitude 1.5