Question

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Answer 1

Explanation:

1). Unit rate = slope of the graph at x =1

Unit rate means value of y at x = 1

From the graph of the given function,

(1, 2) is the point which defines the unit rate.

2). Table (1),

If the data shows the proportional relationship,

`(y_1)/(x_1)=(y_2)/(x_2)`

`(2)/(6)=(1)/(3)`

`(1)/(3)= (1)/(3)`

Therefore, table (1) represents the proportional relationship.

Table (2),

If the data given in table is proportional,

`(y_1)/(x_1)=(y_2)/(x_2)`

`(8)/(5)=(4)/(2)`

`(8)/(5)=(2)/(1)`

Which is not true.

Therefore, table (2) doesn't show the proportional relationship.