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Use the table of values.

x y
-2 -5
0 -1
1 1
2 3

A. Graph the ordered pairs.



B. Is the function linear? Explain.

C. Write a rule for the ordered pairs in terms of x and y.

D. What is the value of y when x = 10?

1 answer

A. Can't graph for you, sorry!

B. The function is linear, as for every equal change in x, there is a set change in y.

C. x increases by 1 every time y increases by 2. (y=2x-1)

D. Plug into equation y=2x-1, so we get 20-1=19
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