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

Which BEST explains why Thomas Jefferson fiercely criticized President John Adams? A Adams continually increased taxes to pay for his lavish lifestyle. B Adam
Is this a function or not a function. Please help
There were 28 dogs and cats at the pet store. If 75% were cats, how many cats were at the pet store?
Which of the following is the correct factorization of the polynomial below? 27x^3 + 64y^3​
4673 to three significant figure
20g of sugar is stirred into a beaker containing 100 g of water. After the sugar has completely dissolved, the solution is put on the scale. What is the mass of
Prepare for feature benefit selling
What is 7-8-3-4-5-6-8 x 35 / 2 is what
The number of points scored in a basketball game varies directly to the number of minutes played.After 24 minutes, 8 points are scored.How many points will be s
a full paragraph full of advice you would love to hear from your parents before leaving to college