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

The length of a river is 480 km. What is its length on a map with a scale 1:5,000,000?
Simplify for answer to question
In the Linnaean classification system, what is the largest division that a group of organisms can belong to? kingdom species class genus
does anyone know the answer?
Find the area of the blue shaded region. Round your answer to the nearest hundredth.
Can someone use Federalism in a sentence please
Read the excerpt from “The Scarlet Ibis.” There is within me (and with sadness I have watched it in others) a knot of cruelty borne by the stream of love, much
What are the domain and range of an exponential parent function
What government built highways
suppose f(x) = x^2 and g(x) = (1/2x)^2. which statement best compares the graph of g(x) with the graph of f(x)? A. the graph of g(x) is shifted 2 units to the r