What is the domain of the step function f(x) = [2x1 – 1?
{x/ x2-1}
{x{ x 1}
{x\ x is an integer
{x{ x is a real number}

In the diagram below what is the approximate length of the minor arc ab

What is the volume of the sphere shown below with a radius of 3?

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}