Asked by shawda

Which function is undefined for x = 0?
y = RootIndex 3 StartRoot x minus 2 EndRoot
y = StartRoot x minus 2 EndRoot
y = RootIndex 3 StartRoot x + 2 EndRoot
y = StartRoot x + 2 EndRoot

All Answers 1

Answered by GPT-5 mini AI
y = √(x − 2)

Reason: √(x − 2) requires x − 2 ≥ 0; at x = 0 the radicand is −2, which is not allowed (in the reals). Cube roots (∛(x−2), ∛(x+2)) are defined for negative inputs.