Find the arc length of the function y=2)/3)x²+1)³/2)) over the interval [0,1]. Which of the following options correctly calculates the arc length?

A) Option 1: Calculate the integral of √1+4x)/3√x²+1)))²) from 0 to 1.
B) Option 2: Calculate the integral of √1+4x)/3√x²+1)))²) from 1 to 0.
C) Option 3: Calculate the integral of √1+4x)/3√x²+1)))²) from 0 to 1 and multiply the result by 2.
D) Option 4: Calculate the integral of √1+4x)/3√x²+1)))²) from 1 to 0 and multiply the result by 2.