Show that the function f has an inverse by showing that it is strictly monotonic.f(?) = sin ?, 0 < ? < 
What will be an ideal response?
f'(?) = cos ? > 0 on (0, ?/2) . Thus, f is monotonic increasing on (0, ?/2) and so it has an inverse there.
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Solve the problem.Find the table that matches the given graph.
A. 
B. 
C. 
D. 
Solve the polynomial equation.x3 + 27 = 0
A. x = 
, 
± 
B. x = 3, 
± 
C. x = -3, 
+ 
, - 
- 
D. x = -3, 
± 
Answer the question.Which of the following is NOT listed as a suggestion to follow when preparing for an exam?
A. Relax, and work on the exam thoughtfully. B. Test yourself. C. Revisit your homework and the chapter review problems. D. Reread the sections in the textbook that will be covered on the exam.
Solve the problem.Scrambled Electronics will finance a $238 TV set for $50 down and $36.81 a month for 6 months. How much money can you save by paying cash for the TV set?
A. $32.86 B. $67.14 C. $17.14 D. $270.86