Q-30 A police department has determined that the number of serious crimes which occur pet week can estimate as a function of the number of police officers assigned to preventive patrol. Specifically, the mathematical function isC= f(p) 900 - 3.5pwhere c equals the •number of crimes expected per week and p equals the number of officers assigned to preventive patrol.(a) What class of function is this?(b) What is the expected number of crimes if 150 officers are assigned to preventivepatrol?(c) How