Find the inverse function of f(x) = FIGURE 1.png)
 multiple choice.png)
 ANSWER.png)
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Suppose ? is an angle in standard position. Given either a point on the terminal side of ? or an equation of the terminal side of ?, give the exact value of the indicated trigonometric function(s). (-5, 9); find sin ?.
A. 
B. - 
C. 
D. 
Solve the problem.Trains S and T are both traveling in the same direction. Their distance in miles North of Chicago after x hours are computed by the functions fS and fT, respectively, and their graphs are shown in the figure for 
During what time interval is Train T closer to Chicago than Train S? 
A. always, or x ? 0 B. between 3.3 and 8 hours, or 3.3 < x ? 8 C. between 0 and 3.3 hours, or 0 ? x < 3.3 D. after 3.3 hours, or x > 3.3
Clear fractions then solve by substitution.
- 
= -18
+ 
= -9
A. ?
B. {(-12, 0)}
C. {(12, 0)}
D. 
Use the appropriate formula to solve the problem.A circle has a circumference of 20? meters. Find the radius of the circle. 
A. 3 m B. 20 m C. 5 m D. 10 m