This section present some common functions used in this course and their inverses. Note that the graphs presented are examples that could vary in some cases differently from what is shown. Therefore, get into the habit of evaluating each problem on its own merit.

Table 8.2.3 An Example of a Linear Function and its Inverse
 

Figure 8.2.3 Function

Figure 8.2.4 It Inverse  (Linear)

Table 8.2.4 An Example of a Exponential Function and its Inverse
 

Figure 8.2.5 Function

Figure 8.2.6 It Inverse  (logarithm)

Table 8.2.5 An Example of a Logarithm Function and its Inverse
 

Figure 8.2.7 Function

Figure 8.2.8 It Inverse

Table 8.2.6 An Example of a Trigonometric Functions and their Inverses

(remember to plot trigonometric functions in radian mode - 
note the positions of the graphs when x = 0)
 

Figure 8.2.9 Function  Inverse is Cosecant () or

Figure 8.2.10 Function  Inverse is Secant () or