c. Determine whether cach table of values represents a linear function or not. Write LINEAR FUNCTION if it does and NOT LINEAR FUNCTION if it does not.
A.
x, 1, 2, 3, 4, 5
f(x) 9, 11, 13, 16, 17
answer:_____________
B.
x, -2, -1, 0, 1, 2
f(x) -6, -2, 2, 6, 10
answer:_____________
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Answer/s:
Solutions:
A.
Our row of here is linear (and has a common difference of ).
Observe in A. .
As we can see, the 16 in , broke the pattern, is
Another way of doing this is using the slope formula , and comparing whether but it is very tedious to do.
B.
Our row of , is linear (and has a common difference of ).
Observe in B. .
Our , make pattern, and has a common difference of , is