List ideas to use when gathering your resourses

What is the inverse of the function f(x) = 2x + 1?

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.