Which of the following graphs are identical?

y= square root of x
y= ^3 square root of x
y= square root of negative x
y= ^3 square root of negative x
y= negative square root of x
y= negative ^3 square root of x

What is the value of x? enter your answer in the box.

Ineed on this question me get the answer

The vice president of programming at nbc is finalizing the prime-time schedule for the fall. she has decided to include a hospital drama but is unsure which of two possibilities to select. she has a pilot called the surgeon and another called critical care. to her make a final decision, a sample of 20 viewers from throughout the united states was asked to watch the two pilots and indicate which show they prefer. the results were that 12 liked the surgeon, 7 liked critical care, and one had no preference. state the decision rule, using the 0.10 significance level. h0: π = 0.50 h1: π ≠ 0.50 1. reject h0 if number of + signs is either < = or > = 2. what is your decision regarding h0? is there a preference for one of the two shows?