Section 2.2 Homework

1. This is Section 2.2 Problem 2: Evaluate the limit, if it exists. lim 6x+3 x→-1 Answer: ___

-3 -3

2. This is similar to Section 2.2 Problem 10: Evaluate the limit, if it exists. lim 3/x(x+4h) h→0 Answer: ___

3/x^2 3/x^2

3. This is Section 2.2 Problem 16(a)(b)(c): The function h(x) is represented by the graph in the textbook. Use the graph to answer the following questions. Use "DNE" for "Does not exist." Use "Infty" for ∞. (a) h(1)= (b) lim x → 1− h(x)= lim x → 1+ h(x)= -1 -1 lim x → 1 h(x)= (c) The function h(x) ______ continuous at x=1 since the limit does not exist the limit does not exist .

a) 1 1 b) 1 1 -1 -1 DNE DNE c) is not is not the limit does not exist the limit does not exist