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Which of the following functions could model the amount of gallons of water, ƒ(x), that the bathtub will contain after x minutes of being filled?
A
ƒ(x) = 5x + 7

B
ƒ(x) = 5x + 12

C
ƒ(x) = 7x + 5

D
ƒ(x) = 12x + 5

Which of the following functions could model the amount of gallons of water ƒx that the bathtub will contain after x minutes of being filled A ƒx 5x 7 B ƒx 5x 1 class=

Respuesta :

mhanifa

Answer:

  • A . ƒ(x) = 5x + 7

Step-by-step explanation:

As per table we have

  • Common difference of 5 (bottom row)
  • So initial amount of water is 12 - 5 = 7 gallons

So the function is:

  • f(x) = 5x + 7

Correct option is A

Answer:

Step-by-step explanation:

It’s 5x+7 A on here and C on there

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