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B is filling the tank most quickly

Step-by-step explanation:

B

Step-by-step explanation:

A, (7,2), the time goes slow, so it cannot be correct.

C, you can see is more lower than the other two. That means it is the slowest.

B, is going at a average rate, but faster than A and C. If you find a coordinate on B, for an example (2,2). 2 gallons in 2 minutes.

The value of is

Explanation:

The function is given by

The function is given by

To determine the value of , let us first substitute the value of .

Thus, we get,

Now, substituting for in the function , we get,

Simplifying, the expression, we get,

Multiplying the term within the bracket, we have,

Thus, the value of is

Hence, the value of represents the total amount of money that Barrett earns for working x hours.