Ivan61615 Ivan61615

15-02-2019
Mathematics

contestada

If f(x)=1/9 x-2,what is f-1(x)?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

16-02-2019

Answer:

f^-1(x) = 9x+18

Step-by-step explanation:

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

y = 1/9x -2

Exchange x and y

x = 1/9y -2

Add 2 to each side

x+2 = 1/9y-2+2

x+2 = 1/9y

Multiply by 9

9(x+2) = 9*1/9y

9x+18 = y

f^-1(x) = 9x+18

Answer Link

Otras preguntas

graph x+2 is greater than -2

what do you call two ratios that have the same value

9/10 divided by (1/10 plus 2/5)

graph x+2 is greater than -2

McDonald's has sold more than a billion hamburgers. If it were possible to eat a hamburger every minute of everyday (day and night) without stopping, how many y

Geoffrey ate 2/3 of a mini pizza. Claire ate 1 3/4 times as much pizza as Geoffrey. How many mini pizzas did Claire eat? Express your answer in simplest form

McDonald's has sold more than a billion hamburgers. If it were possible to eat a hamburger every minute of everyday (day and night) without stopping, how many y

what do you call two ratios that have the same value

9/10 divided by (1/10 plus 2/5)

Taylor wants to make 2 1/2 times the quantity given in a recipe. The recipe calls for 1 3/4 cups of flour. How much flour will Taylor need?