BablaKanchan
BablaKanchan BablaKanchan
  • 14-05-2022
  • Mathematics
contestada

can you help with this please

can you help with this please class=

Respuesta :

dariusjonathanteng35 dariusjonathanteng35
  • 14-05-2022

Answer:

x = 81

Steps:

It says that y ~ √x

We have points (9, 18) as a guide.

We can write y = f(x) = a√x +b

Use points (9, 18) as a guide

18 = a√9 +b

18 = 3a + b

One solution might be a = 6, which means f(x) = 6√x

Thus when y = 54,

54 = 6√x

9 = √x

81 = x

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