Which of the following u-substitutions for ∫ (x(x+2)^2)/(sqrt(x))dx results in 2∫u^(2)(u^(2)+2)^(2)du?

A

Step-by-step explanation:

u = sqrt(x)

x = u²

dx/du = 2u

dx = 2u × du

x(x+2)²/sqrt(x) . dx

u² × (u²+2)]/u × 2udu

2 × u²(u²+2).du

answer: jasmine will bake 4/3 or 1 1/3 cookies in an hour

step-by-step explanation:

if u add 1/3 every 15 minutes after an hour u will have 4/3 or 1 1/3

answer: the answer is 35%