Use a point to read rational graph behaviour
For \(f(x)=\frac{9}{x-1}-2\), state both asymptotes and calculate the point value \(f(4)\).
Worked practice: rational-function features
Identify the asymptotes and any requested intercept or check value.
Write a full answer
Now write the response in full, in your own words — this is what the exam asks for. The AI marks it on the same moves you built above (focus, evidence, technique, judgement) and gives feedback on reasoning, evidence, and expression.