SOLUTION: Nancy made the following statement: The range of f(x) = ax + b is the set of all real numbers given that a and b are real numbers. Which produces a counter example to her statem

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Question 919940: Nancy made the following statement:
The range of f(x) = ax + b is the set of all real numbers given that a and b are real numbers.
Which produces a counter example to her statement?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The "range"... and range is a different meaning depending on specific situation, than "domain".

The counter example is any such number as x=i=sqrt%28-1%29. Or any imaginary number.

f%28i%29=a%2Ai%2Bb, NOT a real number.