Function Tables Graphs and Equations

A company is drilling a water well. The graph models the linear relationship between the depth of the well and the time spent drilling.

Which function best represents the relationship between y and x?

A water tank currently contains 275 gallons of water. The amount of water in the tank will decrease at a constant rate of 15 gallons per week.

Which function can be used to find t, the total number of gallons of water in the tank after w weeks?

The graph shows the relationship between the number of gallons of fuel remaining in the tank of a semitruck and the number of miles traveled by the semitruck.

Which function can be used to find y, the number of gallons of fuel remaining in the tank of the semitruck after it has traveled x miles?

The ticket sales for a concert started at 4:00 P.M. The table shows the linear relationship between the number of tickets remaining and the number of hours since 4:00 P.M.

Which function can be used to find y, the number of tickets remaining x hours since 4:00 P.M.?

Write an equation that describes the function

• y=x-8

• x=0+4

• y=4x

• y=4+x

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = -1/3x

• y = -3x

Which ordered pair below would prevent this table from being a function?

• (10, 10)

• (2, 4)

• (6, 1)

• (-2, 0)

Match the graph to the correct table.

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Which could be the table of values that was used to graph the function of x shown?

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Write an equation to represent the table.

• y = x + 6

• y = 2x

• y = x + 5

• y = x - 5