Find the critical number of the function . ​

Use the graph as shown to determine the following limits, and discuss the continuity of the function at x= -3. ​ (i) (ii) (iii)   ​

Let ​ Determine the following limit. (Hint: Use the graph to calculate the limit.) ​ ​

Let and . Find the limit. ​ ​

Let ​ Determine the following limit. (Hint: Use the graph to calculate the limit.) ​ ​

Find the constant a and b such that the function ​ ​ is continuous on the entire real line. ​

Find the limit (if it exists). Note that represents the greatest integer function. ​ ​

Discuss the continuity of the function . ​

Complete the table and use the result to estimate the limit.   –0.1 –0.01 –0.001 0.001 0.01 0.1 ​

Find the following limit (if it exists). Write a simpler function that agrees with the given function at all but one point. ​   7 ​