MATH 107 Quiz 3 Answer Sheet ----- Fall 2016 Name___________________________ Answer Sheet Instructions: The quiz is worth 100 points. There are 10 problems (each worth 10 points). This quiz is open book and open notes, unlimited time. This means that you may refer to your textbook, notes, and online classroom materials, but you may not consult anyone. You may take as much time as you wish, provided you turn in your quiz no later than the deadline indicated in our syllabus course schedule. You must show your work to receive full credit. If you do not show your work and obtain the right answer key, you will only get at most 25% of the grade. Record your answer choices. 1. 6. 2. B 7. 3. 8. 4. C 9. 5. 10. C 1 ----- MATH 107 Quiz 3 Answer Sheet ----- Fall 2016 Record your answers and work. Proble m Number Solution Answer: Work: 1 Answers: The Function is EVEN Work: Substitute in -x for x f (x )=f ( x ) 2 x 2 x2 f (1 )=3 3 f (x )= 1 x 25 3 f (x )= x2 5 The function is even because the resulting function is equivalent to the original. 2 ----- MATH 107 Quiz 3 Answer Sheet ----- Fall 2016 Answer: Work: 3 y=x7 Answer: Work: m= m= y 2 y 1 x 2x 1 0(7) 7(0) m=1 ( y y 1 ) =m(x x1 ) ( y(7) ) =1( x(o)) 4 y +7= x y=7+ x y=x7 3 ----- MATH 107 Quiz 3 Answer Sheet ----- Fall 2016 Answers: Work: 5 Answer: Work: 6 Answer: Work: 7 4 ----- MATH 107 Quiz 3 Answer Sheet ----- Fall 2016 Answers: Work: 8 Answer: Work: 9 10 Answer: x=4, 2 3 Work: |1x||2 x+3|=0 |1x|=|2 x+3| 1x=0 2 x +3=0 x=1 5 ----- MATH 107 Quiz 3 Answer Sheet ----- Fall 2016 x=1 2 x =3 x= ? 3 2 6 \f\f\f