please help this is the only thing i have left that i truly don't understand no links or troll for points i seriously need help

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

What would the rule be for the reflection of y=-3

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