Pls answer i need to get good grades or i wont play soccer anymore

Which property is illustrated by the statement given below? raj raj.

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

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.