SOLUTION: Determine if the function is one-to-one by noting the function family to which it belongs and mentally picturing the shape of its graph. f (x) = –5x – 2

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Question 1091945: Determine if the function is one-to-one by noting the function family to which it belongs and mentally picturing the shape of its graph.
f (x) = –5x – 2

Answer by ikleyn(52790)   (Show Source): You can put this solution on YOUR website!
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This function is a linear function with a non-zero coefficient at the variable "x".

Every such function is one-to-one.

The graph of this function is a sloped straight line.



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