Graph D9.2 (a)

http://www.wolframalpha.com/input/?i=plot+sin(x),+x-1%2F6x%5E3%2B1%2F120x%5E5+from+-3+to+3

Graph D9.2 (b)

http://www.wolframalpha.com/input/?i=plot+sin(x%5E2),+x%5E2-1%2F6x%5E6+from+-2+to+2

Graph D9.2 (c)

http://www.wolframalpha.com/input/?i=plot+sin(x%5E2%2B2x),+2x%2Bx%5E2-4%2F3x%5E3-2x%5E4-11%2F15x%5E5%2B1%2F2x%5E6+from+-1+to+1

Graph D9.2 (d)

http://www.wolframalpha.com/input/?i=plot+sin(sin(x)),+x-1%2F3x%5E3+%2B+1%2F10x%5E5+from+-2+to+2
