Kyle is filling a 25-gallon gas tank at a rate of 10 gallons per minute. What is the domain of the function that represents the volume of gas y in the tank after x minutes?

The function that represents the amount of gas in the gas tank is:

y(m) = 10*m

where m is in minutes, and the gallon will be filled when y(m) = 25

25 = 10*m

x = 25/10 = 2.5

so the gas tank will be filled in 2.5 minutes

Then if the tank is completely empty, the domain is {0m, 2.5m}

Now, if the tank is filled by x minutes, the domain will be {x, 2.5}

And we must have that x is a number between 0 and 2.5

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step-by-step explanation:

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2