What is the square root of x over the square root of x to the 1/4 power

Suppose a pendulum is l meters long. the time, t,in seconds that it tales to swing back and forth once is given by t=2.01

What would the rule be for the reflection of y=-3

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.