“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.