1. Which of the following functions grows the slowest as x goes to infinity?

a. 0.01x^3

b. 0.001x^3

c. 0.00001x^3

d. They all grow at the same rate

2.. Which of the following functions grows at the same rate as, square root of x^4+x

a. x

b. x^2

c.x^3

d.x^4