Use piecewise model continuity - visual visual link
For continuity at \(x=0\), the left branch gives -3 and the right branch starts at -1 unless \(k\) is chosen. Enter \(k\).
Worked practice: result and interpretation
Calculate the requested result first, then choose the interpretation that follows from it.
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.