Alguien me puedo por favor ayudar en esta pregunta..​

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Is the square root of 4 plus the square root of 16 rational?

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample