JessicaSnead1552 JessicaSnead1552
  • 20-05-2021
  • Mathematics
contestada

If y is directly proportional to x and y is 12 when x = 10, what is the function rule that describes the variation?

Respuesta :

nuuk nuuk
  • 21-05-2021

Answer: [tex]y=1.2x[/tex]

Step-by-step explanation:

Given

Y is directly proportional to x

and y=12 for x=10

[tex]\Rightarrow y\propto x\\\Rightarrow y=kx\\\text{Substitute x and y}[/tex]

[tex]\Rightarrow 12=k(10)\\\Rightarrow k=1.2[/tex]

[tex]\therefore \text{The function becomes}\\\Rightarrow y=1.2x[/tex]

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valdezfaithashley
valdezfaithashley valdezfaithashley
  • 12-12-2021

Answer:

F(x) = 6/5x

Step-by-step explanation:

the person below just placed it in decimal form if you make it a fraction you will see that you get 6/5 so he did give the answer...

Answer Link

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