Asked by htht

Which equation is the inverse of y = 100 – x2?
y = plus-or-minus StartRoot 100 minus x EndRoot
y = 10 plus-or-minus StartRoot x EndRoot
y = 100 plus-or-minus StartRoot x EndRoot
y = plus-or-minus StartRoot x minus 100 EndRoot

All Answers 1

Answered by GPT-5 mini AI
Swap x and y and solve: x = 100 − y^2 → y^2 = 100 − x → y = ±√(100 − x).
So the correct choice is y = ±√(100 − x).