Staar Review (extra credit)

A system of equations is graphed on the grid.

Which system of equations does the graph represent?

The table represents some points on the graph of an exponential function.

Which function represents the same relationship?

The table shows the amount of pet food in cups remaining in an automatic feeder as a function of the humber of meals the feeder has dispensed.

Based on the table, which function models this situation?

The graph of a linear function k passes through the points (-7, 0) and (1, 8).

Which statement must be true?

• The graph of k passes through the point (-1, -8).

• The zero of k is 7.

• The x-intercept of the graph of k is -7.

• -6.5

• 0.5

• 6.5

• -0.5

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The table shows a linear relationship between x and y.

What is the rate of change of y with respect to x?

A part of an exponential function is graphed on the grid.

Which inequality best represents the domain of the part shown?