How do you differentiate root(cosx) by first principles

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

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

Choose the more precise measurement. 26.4 cm or 8.39 cm