ƒ(x)=2x-5
_"Is the equation a function?"_ _"Yes."_ _"Correct."_ _"Your shirt."_
_"What is the domain of the equation?"_ _"All real numbers."_ _"Correct."_ _"Your pants."_
_"What is the range of the equation?"_ _"Also all real numbers."_ _"Yep."_ _"Your bra."_
_"Can you give the equation for a line that goes through the point (2,8) and is perpendicular to function ƒ?"_ _"Wait a second."_ … _"y=-2x+12?"_ _"Wrong. Looks like you need to study some more."_ Mrs. Wilson said as she put her clothes back on.