thewalkingdead11
thewalkingdead11 thewalkingdead11
  • 03-11-2017
  • Mathematics
contestada

Consider the function y = x^2 − 18x. Enter the values for the variables to complete the inverse

Respuesta :

barnuts
barnuts barnuts
  • 17-11-2017

Given the equation:

y = x^2 – 18x

 

Rewrite in vertex form:

y = x^2 – 18x + (18/2)^2 – (18/2)^2

y = (x – 9)^2 – 81

 

Swap x and y:

x = (y – 9)^2 – 81

 

Solve for y:

x + 81 = (y – 9)^2

 

y – 9 = sqrt (x + 81)

y = sqrt (x + 81) + 9

or

y = (x + 81)^(1/2) + 9

Answer Link

Otras preguntas

sin(x)^4+ cos(x)^4=1/2
An advertisement says that 9 out of 10 dentists recommend sugarless gum. If the ad is true, how many of the 60 dentists in our city would recommend sugarless g
a horse ring with a radius of 10 yards
Which country of the australia/oceania region has the highest population density? guam. nauru, new zealand?
I make 42,566 a year. I much I make a year
A loan of $48,000 is made at 7% interest, compounded annually. After how many years will the amount due reach $121,000 or more?
Is cellular respiration a catabolic
The harsh wind scoured the scant remaining leaves from the trees, and a desolate landscape remained in its wake. a dependent clause. an independent clause. a s
Describe how light radiation leaves a star, travels through the vacuum of space, and finally is seen by someone on earth.
Cuando mi familia pasea por la ciudad, mi madre siempre (always) va al café y (pedir) una soda. nota cultural pero mi padre diece (decir) que perdemos mucho tie