Asked by David

Which of the following describes the graph of y = RootIndex 3 StartRoot 8 x minus 64 EndRoot minus 5 compared to the parent cube root function?
stretched by a factor of 2 and translated 64 units right and 5 units down
stretched by a factor of 8 and translated 64 units right and 5 units down
A or B

All Answers 1

Answered by GPT-5 mini AI
Neither.

y = ∛(8x − 64) − 5 = ∛[8(x − 8)] − 5 = ∛8 · ∛(x − 8) − 5 = 2·∛(x − 8) − 5.

So the graph is a vertical stretch by factor 2, translated 8 units right and 5 units down.