cheerdiva90
cheerdiva90 cheerdiva90
  • 08-04-2020
  • Mathematics
contestada

If f(x) and 1
are inverse functions of each other and f(x) = 2x+5, what is
1 (8)?
Ο
7 η/υ
Ο
Ο
Glo
Ο

Respuesta :

surjithayer10 surjithayer10
  • 08-04-2020

Answer:

Step-by-step explanation:

let f(x)=y

y=2x+5

flip x and y

x=2y+5

2y=x-5

y=(x-5)/2

f^{_1}(x)=(x-5)/2

but f^{-1}(x)=1

so (x-5)/2=1

x-5=2

x=2+5=7

Answer Link

Otras preguntas

Tickets to a play cost $14 each by mail, plus a $2 processing fee for each order or one or more tickets. Write a rule to describe the total cost as a function o
Calculate the average speed of a bicycle that travels 100m in 20 s.
How to answer the following questions in spanish?? Quien batea? Con que batea?
what is 3.36 rounded to the nearest hundreth
which is bigger 20 kilograms or 2,000 grams
How can I split five brownies between three people
the water pipe has a radius of 5 cm and a height of 7 cm. what volume of water does it take to fill the pipe?
why do volcanoes erupt in the part of the world where Mont  Isle is located??
Are there any personifications in the poem jimmy jet and his TV set?
Mary has 12 marbles 3/12 of the marbles are yellow and 2/12 of the marbles are blue.The rest of the marbles are green.How many marbles are green?