question 8 and 9, you can give me 1 of the answers if the other one doesn't make sense:) im really confused

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

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.

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.