SOLUTION: how can you tell if a function is linear?

SOLUTION: how can you tell if a function is linear?

Algebra.Com

Question 253124: how can you tell if a function is linear?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If the graph of the function is a straight line, then the function is linear. Post an problem or two so we can walk you through it.
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