Destinationz Destinationz
  • 04-03-2019
  • Mathematics
contestada

If f(x) = 2x + 5 what is f -1(x) ?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 04-03-2019

Answer:

f^-1 (x) = 1/2x -5/2

Step-by-step explanation:

To find the inverse of a function, exchange x and y and then solve for y

y = 2x+5

Exchange x and y

x = 2y+5

Solve for y

Subtract 5 from each

x-5 = 2y+5-5

x-5 = 2y

Divide by 2

(x-5)/2 = 2y/2

1/2x - 5/2 = y

f^-1 (x) = 1/2x -5/2

Answer Link

Otras preguntas

What is 571082346090 in word form
Circle the difference 9 - 4=5
In the MLA style, what are in-text citations called?
How many different ways can you make 18 cents using dimes, nickels, or pennies? A. 8 B. 6 C. 5 D. 4
what is 720 is 1 tenth of what number??????????????
Who was Prince Estabrook and what was his contribution to American history?
Where common multiples between three and five and one and 50
why did some members of congress oppose lincoln ten percent plan?
How would you describe the behavior of particles in a solid? a. They don’t move very much and do not change position. b. They crash into each other and bounce
This city was the scene of one of the most violent demonstrations in American history in 1999 when 100,000 people engaged in civil protest against the WTO? Seat