I need help in 18-27 if you can show me exactly how you get your answer please and thank you . It just says "Find the derivative of the function f by using the rules of differentiation"

0 0 ebooks.cenreader.com W: section 3.1 - part 1 My Home eTextbook: Applied Calculus for the Managerial, Life, and Social Sciences 18. f(x) = x - 3x +1 170 19. f(x) =-x +2x -6 174 ANSWER 20. f(x) = (1 + 2x ) + 2x 175 21. f(x) = 0.03x - 0.4x + 10 ANSWER 176 22. f(x) = 0.002x - 0.05x + 0.1x - 20 177 23. f(a) = 2x - 4x + 3 ANSWER 181 24. f(x) _ x +2x +x-1 x 25. f(x) = 4x - 3x + 2 182 ANSWER 186 26. f(x) = 5x - a + x - 3x +1 27. f(x) = 5x + 4x Go GE