Question

Which of the following functions grows at the same rate as ((x^4)+x)^(1/2)

Answer 1

Answer:

B

Step-by-step explanation:

(x⁴ + x)^½

As x approaches infinity, x⁴ becomes much larger than x.  So:

(x⁴ + x)^½ ≈ (x⁴)^½ = x²

So x² grows at the same rate as (x⁴ + x)^½.