Question

Which table represents a linear function?

A two column table with five rows. The first column, x, has the entries, 0, 1, 2, 3. The second column, y, has the entries, 1, 2, 4, 8.

A two column table with five rows. The first column, x, has the entries, 0, 1, 2, 3. The second column, y, has the entries, 0, 1, 3, 6.

A two column table with five rows. The first column, x, has the entries, 0, 1, 2, 3. The second column, y, has the entries, 0, 1, 0, 1.

A two column table with five rows. The first column, x, has the entries, 0, 1, 2, 3. The second column, y, has the entries, 1, 3, 5, 7.

Answer 1

The fourth table: x = 0,1,2,3 with y = 1,3,5,7. The differences are constant ( +2 ), so it's linear. Its equation is y = 2x + 1.