Consider the mapping T t-+ M(T) from the set of subsets of a plane to the set of symmetrygroups. Is it one-to-one? Explain.

L7 - 5 ex. Graph the given functions: 1 1 1 f(x)= g(x)= h(x)= − x − 1 (x − 1)2 (x − 1)2 ex. Use the graphs to ﬁnd the following limits: 1) lim f(x)= x→1− lim f(x)= x→1+...