Which table represents a linear function?

Option 3 is correct.

Step-by-step explanation:

A function is said to be linear if there is same change in x gives same change in y which is also called slope that means if slope for each pair of the given table is same then function is said to be linear.

here in option 3rd we can find the slope for each pair of points its

and its same for each pair of point

therefore  option third is correct

b. 2

step-by-step explanation:

the slope of a line =δy/δx

δy= y₂-y₁

δx= x₂-x₁

therefore, using the points (-2,-3)   and (3,7) we can calculate gradient as follows:

m=(7--3)/(3--2) (a number minus a negative number the sign changes to a plus)

m=(7+10)/(3+2)

=10/5

=2

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step-by-step explanation:

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